How was robert carver a minimalist?

Answer 1

Perhaps because he didn't capitalize his name.

Answer 2

http://www.amazon.com/gp/recsradio/radio/B0000030O6/ref=pd_krex_dp_001_003?ie=UTF8&track=003&disc=001

Listen to those. Masses for 6 soloists, and 4 soloists, no instruments. Is that by definition Minimalist?