Complex sentence: The band switched record labels in 2000 and signed with Tooth & Nail Records; it was on this label that they re-released their sophomore album, "Regulate the Chemicals", as well as their final album, "You Should Be Living".
Split into simpler sentences: The band switched record labels in 2000 and signed with Tooth & Nail Records. On this label they re-released their sophomore album "Regulate the Chemicals" as well as their last album, "You Should Be Living".