You know what I'd like to see here and willing to pay something worthwhile that even gives you more incentive to create high quality work?
If you could do the music as well to fit with your lyrics perfectly it'd give your work some spirit and I believe it could make your own job much
Easier, if you don't have a physical instrument to play the song I'm sure you could find a few online or downloadable musical instruments
To use instead. I'll be waiting to hear from you hopefully with a short demo of your work mate.