Complex sentence: Berigan was regularly featured on CBS Radio's "Saturday Night Swing Club" broadcasts from 1936 into 1937, a coast-to-coast broadcast that helped further popularize jazz as the swing era climbed to its peak.
Split into simpler sentences: Berigan was regularly featured on CBS Radio's "Saturday Night Swing Club" broadcasts from 1936 into 1937. This network radio show helped further popularize jazz as the swing era climbed to its peak.