Do you guys know of a really cheap way to get/make a metronome system? My band wants to start playing with a metronome live, but we don't have a lot of money to spend on a nice system with in-ear monitors. All i need is something that will let the drummer control the metronome, and only the drummer, guitarist, and keyboard player hear it through, say, some ear buds. It would be nice if the whole band could have it, but 3 people will do for now. Thanks!