Complex sentence: She began to listen to such legendary jazz greats as Wes Montgomery, Pat Martino, Charlie Christian, Miles Davis and John Coltrane and took up jazz with a ferocious intensity, practicing almost constantly and never looked back.
Split into simpler sentences: She began to listen to such legendary jazz greats as Wes Montgomery, Pat Martino, Charlie Christian, Miles Davis and John Coltrane. She took up jazz with a ferocious intensity, practicing almost constantly, and never looked back.