Complex sentence: Using the stage name "Doc Pomus", teenager Felder began performing as a blues singer; his stage name wasn't inspired by anyone in particular, he just thought it sounded better for a blues singer than the name Jerry Felder.
Split into simpler sentences: Using the stage name "Doc Pomus", teenager Felder began performing as a blues singer. His stage name wasn't inspired by anyone in particular, he just thought it sounded better for a blues singer than the name Jerry Felder.