Original sentence: Happy the Man's self-titled debut LP was recorded at A&M Studios towards the end of 1976, with Ken Scott (whose work with Mahavishnu Orchestra, Supertramp, and David Bowie had highly impressed them) handling production duties, and was released in 1977
Edited sentence: Happy the Man's self-titled debut LP was recorded at A&M Studios towards the end of 1976, with Ken Scott (whose groundbreaking work with such luminaries as Mahavishnu Orchestra, Supertramp, and David Bowie had highly impressed them) handling production duties, and was released in 1977