Piano,Vocal,Voice - Level 2 - Digital Download SKU: A0.1030436 Composed by Rebecca Thomas Einhorn. Blues,Children,Contemporary,Instructional,Jazz. Score. 2 pages. Rebecca Thomas Music #6326155. Published by Rebecca Thomas Music (A0.1030436). This donkey's got some jazz! A lively song for children about a lovable donkey and his hee-haw. It also serves as an simple introduction to the 12 bar blues progression and has an easy-to-follow rendition of a swing rhythm.