[InCityDreams]

I'm desperately trying to find the exact source, but Zappa [allegedly(!)] stated that he preferred his lps to be 18-22 mins due to that being the best audio quality available, given the physical size of a disk versus the size/ quality of the grooves thereon.

Closest I can find so far - https://www.musictimes.com/articles/6349/20140526/7-great-al...