I’m not sure, but I’ll take a guess. Depending on what version you are listening to I’d guess its a clip from 2001 by Stanley Kubrick. Back then, there was some jabbing back and forth between PF and Kubrick over the use of PF music on soundtracks. PF felt that Kubrick overlooked them for 2001 soundtrack. Kubrick wanted to cut up “Atom Heart Mother” for use on Clockwork but Floyd refused. In reply, Kubrick prominently displayed a copy of Echoes in Clockwork, but not the music. Roger Waters later sent Kubrick a message as a backward lyric on a later album(I forget which). Don’t know if it helps but its a cool story nonetheless
That is a great story. Had not heard that.
Echoes came out in the early 70’s though and it’s in it. Craftmore answered in #105. Now it’ll be a mystery what that meant. *sigh*
Thanks for that info. That is great...