I remember walking into a music store - which had sheet music - and noticing a Mahavishnu Orchestra score sticking out. I looked at it, saw "Cycle of 13ths" or something similar, and quickly stuck the music back in the trough.
Cycle of 13ths. It stuck with me though and when I got home I tried doing 13ths in a cycle - like stacked 13ths, played like an arpeggio - and darned if it didn't sound like that one part of that one song!
I couldn't play it fast or in tempo (it was in an odd meter), but it put a smile on my face anyhow.
