Complex sentence: Together, Zappa and Albritton conceived an idea of preserving the casts of musicians for a future exhibition, entrusting them to his partner, Herb Cohen, for safekeeping, however the idea never took off, due to a lack of famous rock stars as participants.
Split into simpler sentences: Together, Zappa and Albritton conceived an idea of preserving the casts of musicians for a future exhibition, entrusting them to his partner, Herb Cohen, for safekeeping. This idea never took off, due to a lack of famous rock stars as participants.