Muscian / Singer

We have a song lyrics written for us, we need the tune music and it sung. Its for a children 4-8 years old animation to learn the english alphabet. We need a intro, melody and a chorus. We need it supplied in multitrack format and mixed down to mp3 high bit rate. Style folk / pop in between, guitar,piano, drum, strings, male or female voice.
we only pay 50% deposit for all our projects and pls no blanket marketing, long list of urls, a similar example.
Thanks for your time.