IIRC, Richard Carpenter took this to the Nth level. He found the recording equipment with the largest number of tape tracks - 28 - and used them all to layer Ka

IIRC, Richard Carpenter took this to the Nth level. He found the recording equipment with the largest number of tape tracks - 28 - and used them all to layer Karen's voice. She had an amazing voice, but she also stood out because of his technical nuancing of their sound.