 From 1970 to 1979 Blonstein held executive positions at Ode Records, a label he helped to found with Lou Adler, where he was involved with the success of Carole King’s Tapestry album (1971), the concert edition of The Who’s Tommy (1972), The Rocky Horror Picture Show (1975), and Cheech & Chong’s Up in Smoke movie (1978), among other projects.He became president of Island Records from 1979 to 1982, contributing to the careers of artists such as Robert Palmer, Steve Winwood, Bob Marley, Marianne Faithfull and Grace Jones.Blonstein began a new phase of his career in 1986 when he founded DCC Compact Classics as one of the first companies to issue catalogue music product on the then-new compact disc format.