I need an Attachement..please?!

[Mr.Goblin]

Hello... im looking for any kind of music instruments that can be attached to the =back= of the unit.. like a guitar, an harp or a banjo.. for a classe in a game..
(Bard (singer))

i already saw the guitar attachement in the -->illidans Crazy Attachement. but it only works as a weapond..

thanks for you folowing answers...

(sorry for my english)