Complex sentence: He played in a band named "On The Corner" during the 1970s, which consisted of 2 trumpets, 1 tenor sax, 1 baritone sax, and a 4 piece rhythm section.
Split into simpler sentences: He played in a band named "On The Corner" during the 1970s. Which consisted of 2 trumpets, 1 tenor, 1 bari, and a 4 piece rhythm section.