Complex sentence: Morgan Henderson is the former bassist of the post-hardcore band The Blood Brothers and the indie rock band Sharks Keep Moving, and the current bassist in the post-punk band Past Lives and a multi-instrumentalist with Seattle-based folk-pop group Fleet Foxes.
Split into simpler sentences: Morgan Henderson is the former bassist of the post-hardcore band The Blood Brothers and the indie rock band Sharks Keep Moving, and the current bassist in the post-punk band Past Lives. He is currently a member of Seattle-based folk-pop group Fleet Foxes.