Complex sentence: West and Morse continued to play as a duet billed as the Dixie Dregs until Morse's expulsion from school in the 10th grade (for refusing to cut his hair) enabled his enrollment at the esteemed University of Miami School of Music.
Split into simpler sentences: West and Morse continued to play as a duet billed as the Dixie Dregs until Morse's expulsion from school in the 10th grade. This expulsion enabled his enrollment at the University of Miami School of Music.