"Frank Zappa and I were neighbours when I first moved to Laurel Canyon ... I took his album Freak Out to London and played it at Brian Epstein's house one afternoon. I played it to the Beatles.
Epstein had the latest audio technology: six speakers spread out in a huge dining room.
I remember the Beatles on all fours, moving from one speaker to the next to see what was coming out of the mix ... They thought it was incredible.
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