A kung fu fighter in a disco

... the distinction being made is something like this: there exist a subsection of recording artists who don't make records to SELL, but to DOCUMENT THEIR ART (or some such), and hence don't count as counterexamples to th claim that ALL BANDS WHO MAKE RECORDS TO SELL IN LARGE NUMBERS IF ONLY IF ONLY - but not aimed at bein chartpop - CAN/WILL (BY ACCIDENT MAYBE) MAKE A GOOD POP RECORD

Except U2