Analysis of information sources in references of the Wikipedia article "Octopus (Gentle Giant album)" in English language version.
Due to one master multi-track reel gone missing , Steven Wilson could only create a pure 5.1 mix for 5 of the 8 tracks on the album. The other three were extracted using Penteo's software which pulls 5.1 surround elements from the mixed two-channel stereo master tape.
