Impossible Tightrope: Live in Madrid is a live album by Steven Wilson, recorded in Madrid during the European leg of The Overview Tour, supporting his studio album The Overview.
Captured at the close of the tour, the performance presents an extensive setlist spanning over two hours, combining material from his most recent releases with selections from earlier phases of his solo catalogue.
The recording was produced from multitrack sources and mixed in high-resolution formats, including stereo, 5.1 surround, binaural and Dolby Atmos, reflecting Wilson’s longstanding interest in immersive audio presentation.
Released exclusively in digital form through the Headphone Dust platform, the album is not scheduled for CD, vinyl, or Blu-ray editions.

As such, it functions both as a comprehensive document of the tour and as a showcase of Wilson’s continued exploration of spatial sound in a live context.

For this review, you will find 6 versions tested:

• Ed 1: 5.1 Flac – 2026
• Ed 2: Flac Binaural Headphone Dust Mix – 2026
• Ed 3: Flac Stereo – 2026
• Ed 4: MKV Dolby Atmos TrueHD – 2026
• Ed 5: MKV 5.1 24 96 – 2026
• Ed 6: MKV stereo 24 96 – 2026

Below you will find the description of the different editions, as well as the measurements of each edition in the following chapters.

The synthesis of the review are available here

The album is composed of 13 tracks:

1. Objects Outlive Us (Live in Madrid)
2. The Overview (Live in Madrid)
3. The Harmony Codex (Live in Madrid)
4. Home Invasion – Regret 9 (Live in Madrid)
5. What Life Brings (Live in Madrid)
6. Voyage 34 (Live in Madrid)
7. Dislocated Day (Live in Madrid)
8. Abandoner (Live in Madrid)
9. Impossible Tightrope (Live in Madrid)
10. Harmony Korine (Live in Madrid)
11. Vermillioncore (Live in Madrid)
12. Ancestral (Live in Madrid)
13. The Raven That Refused to Sing (Live in Madrid)

Summary, scoring and Samples

Ed 1: 5.1 Flac – 2026

Presentation

This version, provided as a 5.1 24-bit / 48 kHz FLAC file, is available upon purchase of the album among the various formats offered, as indicated in the introduction.

Below the spatialization for all tracks. Click on the images to zoom in.

Waveform and Spectrum: DR15

The waveform of the 5.1 Flac – 2026 shows a very high range confirmed with DR15.

The spectrogram shows that the signal rises to 24 kHz with no signal above this frequency due to the 48 kHz sampling frequency. The bass channel (LFE) is filtering at 120 Hz.

The graph below represents the spectrum of the 5.1 Flac – 2026.
The 5.1 is based on a sampling frequency of 48 kHz, limiting the bandwidth to 24 kHz (yellow arrow). The LFE channel is filtered down to 120 Hz (as indicated by the green arrow).

Synthesis and listening

A very nice 5.1 version that allows those with a compatible system to fully enjoy the concert’s immersion and the realistic rendering, thanks to the full dynamic range delivered by this recording. That said, it is slightly less immersive than the Dolby Atmos version.

Rating:

• Dynamic: ●●●●● (5)
• Bandwidth: ●●●●o (4)
• Spatialization: ●●●●o (3.8)
• Restitution: ●●●●o (4)

Sample : What Life Brings (Live in Madrid) 5.1 24 bits 48 kHz:

The sample is in 5.1 wav format, if you can not play the sample in your navigator, you can save it, right button menu and Save Audio As and play it with an external player.

Ed 2: Flac Binaural Headphone Dust Mix – 2026

Presentation

This version, provided as a 24-bit / 48 kHz FLAC file with Binaural Headphone Dust Mix , is available upon purchase of the album among the various formats offered, as indicated in the introduction.

Waveform and Spectrum: DR15

The waveform of the Flac Binaural – 2026 shows a very high range confirmed with DR15.

The spectrogram shows that the signal rises to 24 kHz with no signal above this frequency due to the 48 kHz sampling frequency.

The graph below compares the spectrum of the Flac Binaural Headphone Dust Mix – 2026 (white curve) with the spectrum of the Flac Stereo – 2026 (blue curve).The curves of the two spectra differ across the entire frequency range. This is due to the binaural version, which is a spatial stereo representation of the Dolby Atmos version, and therefore involves different frequency processing compared to the standard stereo version.

Synthesis and listening

This is a version we would love to have more often in lossless PCM FLAC format. Indeed, binaural versions are often generated from Dolby Digital Plus Atmos or AC-4 sources (which are lossy formats). Here, we fully benefit from the precision of the lossless format, allowing us to enjoy the full quality of the album binaural rendering. This provides a wider and more immersive listening headphone experience than the standard stereo version.

Rating:

• Dynamic: ●●●●● (5)
• Bandwidth: ●●●●o (4)
• Restitution: ●●●●o (4)

Sample : What Life Brings (Live in Madrid) 24 bits 48 kHz:

Ed 3: Flac Stereo – 2026

Presentation

This version, provided as a 24-bit / 48 kHz FLAC file, is available upon purchase of the album among the various formats offered, as indicated in the introduction.

Waveform and Spectrum: DR13

The waveform of the Flac Stereo – 2026 shows a high range confirmed with DR13.

The spectrogram shows that the signal rises to 24 kHz with no signal above this frequency due to the 48 kHz sampling frequency.

The graph below compares the spectrum of the Flac Binaural Headphone Dust Mix – 2026 (white curve) with the spectrum of the MKV stereo 24 96 – 2026 (blue curve).The two spectral curves overlap perfectly up to 24 kHz, which is the bandwidth limit for the FLAC version due to its 48 kHz sampling rate. In contrast, the version in the MKV extends slightly above 24 kHz because it uses a 96 kHz sampling rate. The 96 kHz rate could have been used for the FLAC version as well.

Synthesis and listening

We get a stereo version that is detailed and highly dynamic. This becomes especially striking when the volume is turned up you can clearly feel the impact of the drum hits, with no compromise on overall quality and precision, giving the impression that the drum kit is right in front of you.

Rating:

• Dynamic: ●●●●o (4)
• Bandwidth: ●●●●o (4)
• Restitution: ●●●●o (4)

Sample : What Life Brings (Live in Madrid) 24 bits 48 kHz:

Ed 4: MKV Dolby Atmos TrueHD – 2026

Presentation

The Dolby Digital TrueHD Atmos (lossless) version is contained in an MKV file available upon purchase of the album, among the various formats offered as indicated in the introduction. The Dolby Digital Plus Atmos (lossy) version is also included in the MKV file, although it has not been tested.

Below the spatialization for all tracks. Click on the images to zoom in.

Waveform and Spectrum: DR15

The waveform of the MKV Dolby Atmos TrueHD – 2026 shows a very high range confirmed with DR15.

The spectrogram of the Atmos in 7.1.4 version of blu-ray shows that the signal goes down to 24 kHz and that there is no signal above this frequency , due to the 48 kHz sampling frequency used with Dolby Digital TrueHD encoding (lossless). The bass channel (LFE) is filtering at 120 Hz.

The graph below represents the spectrum of the MKV Dolby Atmos TrueHD – 2026.
The Dolby Atmos remix downmixed to 7.1 is based on a sampling frequency of 48 kHz, limiting the bandwidth to 24 kHz (as indicated by the yellow arrow). The LFE channel is filtered down to 120 Hz (as indicated by the green arrow).

Synthesis and listening

The Dolby Atmos version in Dolby TrueHD places you right inside the concert, immersing you in the crowd with an energy and dynamic that practically invite you to turn up the volume and feel as if you re truly in the venue. In terms of creative use of spatialization, the track The Harmony Codex benefits the most.

Rating:

• Dynamic: ●●●●● (5)
• Bandwidth: ●●●●o (4)
• Spatialization: ●●●●●●●ooo (7)
• Restitution: ●●●●o (4.5)

Sample : What Life Brings (Live in Madrid) 7.1 Dolby Atmos (Downmixed in 7.1) :

The sample is in 7.1 wav format, if you can not play the sample in your navigator, you can save it, right button menu and Save Audio As and play it with an external player.

Ed 5: MKV 5.1 24 96 – 2026

Presentation

This version, encoded in 5.1 24-bit / 96 kHz FLAC, is contained in an MKV file available upon purchase of the album, among the various formats offered as indicated in the introduction.
It is provided with a 96 kHz sampling rate, in contrast to the downloadable FLAC file version, which features a 48 kHz sampling rate.

Below the spatialization for all tracks. Click on the images to zoom in.

Waveform and Spectrum: DR15

The waveform of the MKV 5.1 24 96 – 2026 shows a very high range confirmed with DR15.

The spectrogram shows that the signal up little more over 24 kHz due to the 96 kHz sampling frequency. The bass channel (LFE) is filtering at 120 Hz.

The graph below represents the spectrum of the MKV 5.1 24 96 – 2026.
The spectrum shows that the signal up little more over 24 kHz (yellow arrow) due to the 96 kHz sampling frequency. The LFE channel is filtered down to 120 Hz (as indicated by the green arrow).

Synthesis and listening

Despite a 96 kHz sampling rate, the rendering is similar to the FLAC version. However, depending on the DAC and how 48 kHz and 96 kHz sampling rates are handled, there may be subtle differences.

Rating:

• Dynamic: ●●●●● (5)
• Bandwidth: ●●●●● (5)
• Spatialization: ●●●●o (3.8)
• Restitution: ●●●●o (4)

Sample : What Life Brings (Live in Madrid) 5.1 24 bits 96 kHz:

The sample is in 5.1 wav format, if you can not play the sample in your navigator, you can save it, right button menu and Save Audio As and play it with an external player.

Ed 6: MKV stereo 24 96 – 2026

Presentation

This version, encoded in 24-bit / 96 kHz FLAC, is contained in an MKV file available upon purchase of the album, among the various formats offered as indicated in the introduction.
It is provided with a 96 kHz sampling rate, in contrast to the downloadable FLAC file version, which features a 48 kHz sampling rate.

Waveform and Spectrum: DR13

The waveform of the MKV stereo 24 96 – 2026 shows a high range confirmed with DR13.

The spectrogram shows that the signal up little more over 24 kHz due to the 96 kHz sampling frequency

The graph below compares the spectrum of the Flac Stereo – 2026 (white curve) with the spectrum of the MKV stereo 24 96 – 2026 (blue curve).The two spectral curves overlap perfectly up to 24 kHz, which is the bandwidth limit for the FLAC version due to its 48 kHz sampling rate. In contrast, the version in the MKV extends slightly above 24 kHz because it uses a 96 kHz sampling rate.

Synthesis and listening

Despite a 96 kHz sampling rate, the rendering is similar to the FLAC version. However, depending on the DAC and how 48 kHz and 96 kHz sampling rates are handled, there may be subtle differences.

Rating:

• Dynamic: ●●●●o (4)
• Bandwidth: ●●●●● (5)
• Restitution: ●●●●o (4)

Sample : What Life Brings (Live in Madrid) 24 bits 96 kHz:

We should highlight Steven Wilson s excellent initiative in making this concert available on the Headphone Dust platform. In addition to the lossless formats offered at a reasonable price, the quality of the mixing stands out, allowing full enjoyment of the recording and the concert atmosphere. The Dolby Atmos and 5.1 versions are the preferred choices. If you are listening on headphones, the lossless binaural version will provide a more immersive concert experience. An initiative that other artists should definitely follow!

Dynamic Range measurements and spectra are shown below.

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Measurements

Dynamic Range comparaisons

Dynamic represents the ability to reproduce a wide range of sounds from the softest to the loudest. The target is to compare the dynamics of the music and not of the media (CD, digital files or vinyl).

For our 6 editions reviewed have obtained the following Dynamic Range (DR) :

	5.1 Flac – 2026	Flac Binaural Headphone Dust Mix – 2026	Flac Stereo – 2026	MKV Dolby Atmos TrueHD – 2026	MKV 5.1 24 96 – 2026	MKV stereo 24 96 – 2026
Global	DR15	DR15	DR13	DR15	DR15	DR13
Min	DR13	DR11	DR9	DR11	DR13	DR9
Max	DR17	DR17	DR14	DR17	DR17	DR14
Objects Outlive Us (Live in Madrid)	DR17	DR16	DR14	DR17	DR17	DR14
The Overview (Live in Madrid)	DR17	DR17	DR14	DR16	DR17	DR14
The Harmony Codex (Live in Madrid)	DR13	DR11	DR12	DR11	DR13	DR12
Home Invasion – Regret 9 (Live in Madrid)	DR15	DR16	DR13	DR15	DR15	DR13
What Life Brings (Live in Madrid)	DR14	DR15	DR12	DR13	DR14	DR12
Voyage 34 (Live in Madrid)	DR16	DR17	DR13	DR15	DR17	DR13
Dislocated Day (Live in Madrid)	DR16	DR17	DR14	DR17	DR16	DR14
Abandoner (Live in Madrid)	DR13	DR13	DR09	DR14	DR13	DR09
Impossible Tightrope (Live in Madrid)	DR16	DR16	DR14	DR16	DR16	DR14
Harmony Korine (Live in Madrid)	DR13	DR14	DR12	DR13	DR13	DR12
Vermillioncore (Live in Madrid)	DR14	DR16	DR13	DR16	DR14	DR13
Ancestral (Live in Madrid)	DR16	DR15	DR12	DR16	DR16	DR12
The Raven That Refused to Sing (Live in Madrid)	DR15	DR16	DR13	DR14	DR15	DR13

As a reminder, the scale goes from 0 to more 20, but the dynamics are considered good from 12, quite good between 10 and 11, and deteriorate below 10.

Detail of the ratings :

• Dynamic :
  1. Significant dynamic compression, DR less than 7
  2. Compression of the present dynamics, DR between 7 and 9.
  3. Correct piece DR >=10
  4. No dynamic compression (DR >12), dynamic rendering
  5. No dynamic compression, high DR and very dynamic sound rendering
• Spectrum :
  1. Spectrum cut and less than 15 khz
  2. Spectrum cut at 15 khz
  3. Spectrum not conforming to the original and cut (not HD) or original but limited bandwidth (but less than 20 kHz)
  4. Spectrum conforming to the original (but not HD)
  5. Spectrum conforming to the original with HD resolution (higher than 24kHz)
• Surface noise (only for vinyl):
  1. Continuous audible noise
  2. Audible surface noise except on passages with a high level of noise
  3. Reduced surface noise, barely audible on low level crossings
  4. Low surface noise, very good quality
  5. Very low surface noise, no defects, almost inaudible on the quiet passages (exceptional disc)
• Spatialization :
  • Between 0 and 5 for 5.1 or 7.1 channels configuration
  • Between 0 and 10 for Atmos configuration (7.1.4)
  • For more information on spatialization, you can read the article describing this parameter here.
• Restitution :
  1. Low quality of the restitution mixing dynamics, clarity, separation of voices and instruments.
  2. Average quality of the restitution mixing dynamics, clarity, separation of voices and instruments.
  3. Quality of the restitution mixing dynamics, clarity, separation of voices and instruments. Good record.
  4. High quality of the restitution mixing dynamics, clarity, separation of voices and instruments. Very high level disc.
  5. Maximum quality of the restitution mixing dynamics, clarity, separation of voices and instruments. Exceptional disc.

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