Hey everybody! I'm going to be working with a friend of mine in music production class soon to record some original music. It's going to most likely be just vocals and fretless bass. She's working on some lyrics, but I need a simple, nice-sounding, but interesting 2 chord vamp to play throughout. Something that's simple enough for a pop listener to grab on to, and interesting enough that I'll be able to do something different with it, to get all us jazzholes interested. Any ideas? Thanks!