Simplify the following text for a Grade 8 native English-speaking person.
Original: He is a session musician for many other bands and is also a former member of the French power metal band Heavenly and played several shows with Carnival in Coal in 2006 .
Simplified: He is a session musician for various other bands , including George Lynch 's Souls of We . He is also an ex-member of the French power metal band Heavenly and played several shows with Carnival in Coal in 2006 .