Can anyone point me to a tutorial for a guitar and drum cake? I'd like to have the guitar like up on a stand instead of lying flat. Would you make the handle(?) of the guitar from RTK?

AJessicakes blog shows how she made a guitar cake that stands. It's incredible.

Oh wow...she built a hinged plywood support! I'm not willing to do all of that....lol

They did one that you could actually hold and play. 

http://cakecentral.com/t/759963/in-need-of-creative-minds

You can ask how they did it. 

Here is one for a drum 

http://www.instructables.com/id/A-Chocolate-Drum-Cake/?ALLSTEPS

Here is a link with a video and template

http://cakecentral.com/t/700932/template-for-guitar