Available characters:
Autobots:
Optimus Prime: Lead singer
Ratchet: Stage manager
Jazz: keyboardist
Hot rod: Lead guitarist
Springer: bassist
Bumblebee: drummer
Arcee: Backup bassist
Blaster: DJ
(Request to add other characters)
Decepticons:
Megatron: Lead singer
Starscream: Secondary singer
Skywarp: Guitarist
Thundercracker: bassist
Soundwave: DJ
Shockwave: Stage manager
+ Cassettes as Soundwave's kids.