Complex sentence: He toured with Benny Goodman for a period of time and recorded his debut album in 1977 for Concord Records, with whom he maintained a long recording career in his own name and as a member of the Concord Jazz All Stars.
Split into simpler sentences: He toured with Benny Goodman for a period of time. The same year, he proceeded to record his debut album for Concord Records, with whom he maintained a long recording career in his own name and as a member of the Concord Jazz All Stars.