Complex sentence: It is one of the most popular riff tunes from the swing era and was used as the final showstopper in Benny Goodman's first Carnegie Hall jazz concert of January 16,1938.
Split into simpler sentences: It is one of the most popular riff tunes from the swing era. This was used as the final showstopper in Goodman's first Carnegie Hall jazz concert of January 16,1938.