Uh, well my drums, are at my dads house, so i go play em there, and i bring my guitar, but here at my moms, i have my guitar, what i do is go on google and type in Dany's Drums, and there'll be some thing saying YoYoGames Showing Danys drums v.02 or something like that. click on that, and open your sound recorder, make a beat on the virtual drum kit, record it, make it real loud on your mix program, and there yeah go.
If not iuno, theres a program called Ezdrummer, its not free but its seems good heres a vid
youtube.com/watch?v=nE1mlwUIKO0&feature=related
Anyways, i dont know if you can play beats with your keyboards, i know you can get and make some cool ones though, try it.