Complex sentence: After high school Dearie moved to New York City to pursue a music career and began to sing in groups such as the Blue Flames (with the Woody Herman Orchestra) and the Blue Reys (with Alvino Rey's band) before starting her solo career.
Split into simpler sentences: After high school, Dearie moved to New York City to pursue a music career. There, she began singing in groups such as the Blue Flames (with the Woody Herman Orchestra) and the Blue Reys (with Alvino Rey's band) before launching a solo career.