Simplify the following text for a Grade 8 native English-speaking person.
Original: His first band was the post-hardcore band Baxter , formed in 1995 along with future The Lawrence Arms drummer Neil Hennessy and future Killing Tree and Holy Roman Empire bassist Geoff Reu .
Simplified: His first band was the post hardcore band Baxter . They formed in 1995 along with future The Lawrence Arms drummer Neil Hennessy and future Killing Tree and Holy Roman Empire bassist Geoff Reu .