Complex sentence: As a poet and musician Coel released an album entitled "Fixing Barbie" in 2009, since when she has performed on stages including Wembley Arena, Bush Theatre, Nuyorican, and Rotterdam De Doelen Concert Hall.
Split into simpler sentences: As a poet and musician Coel released an album entitled "Fixing Barbie" in 2009. Since then she has performed on stages including Wembley Arena, Bush Theatre, Nuyorican, and Rotterdam De Doelen Concert Hall.