PORCUPINE TREE – SIGNIFY

Bass – Colin EdwinDrums – Chris MaitlandGuitar, Mellotron – Steven WilsonSynthesizer – Richard BarbieriWritten-By – Wilson*

Drums – Chris MaitlandElectric Bass, Double Bass – Colin EdwinSynthesizer – Richard BarbieriVocals, Organ, Mellotron, Guitar – Steven WilsonWritten-By – Wilson*

Drums – Chris MaitlandSampler [Samples] – Steven WilsonSynthesizer – Richard BarbieriWritten-By – Wilson*

Bass – Colin EdwinDrums, Vocals [Harmonies] – Chris MaitlandSynthesizer – Richard BarbieriVocals, Electric Guitar, Acoustic Guitar, Keyboards – Steven WilsonWritten-By – Wilson*

Bass – Colin EdwinDrums – Chris MaitlandElectric Guitar, Acoustic Guitar – Steven WilsonSynthesizer, Organ [Hammond] – Richard BarbieriWritten-By – Wilson*

Bass – Colin EdwinDrums, Vocals [Harmonies] – Chris MaitlandSynthesizer – Richard BarbieriVocals, Guitar, Piano, Keyboards, Tape – Steven WilsonWritten-By – Wilson*

Bass – Colin EdwinDrums [Loop] – Chris MaitlandSampler, Tape, Guitar, Organ, Programmed By [Drum Programming] – Steven WilsonSynthesizer, Sequenced By [Sequencers] – Richard BarbieriWritten-By – Edwin*, Wilson*

Drums – Chris MaitlandElectric Bass, Double Bass – Colin EdwinSynthesizer [Prophet V, System 700 Electronics] – Richard BarbieriVocals, Guitar, Keyboards, Tape – Steven WilsonWritten-By – Wilson*

Bass – Colin EdwinDrums – Chris MaitlandElectric Guitar, Acoustic Guitar, Piano, Tape, Chimes, Musical Box – Steven WilsonSynthesizer – Richard BarbieriWritten-By – Maitland*, Edwin*, Barbieri*, Wilson*

Sampler – Steven WilsonVoice, Keyboards, Cymbal – Chris MaitlandWritten-By – Maitland*

Bass – Colin EdwinDrums – Chris MaitlandSynthesizer, Organ [Hammond] – Richard BarbieriVocals, Electric Guitar, Acoustic Guitar – Steven WilsonWritten-By – Wilson*