SAB chorus and hand percussion - Digital Download SKU: OX.9780193574571 Composed by Shruthi Rajasekar. Oxford Three-part Repertoire. Octavo. 10 pages. Oxford University Press Digital #9780193574571. Published by Oxford University Press Digital (OX.9780193574571). ISBN 9780193574571.For SABar and hand-claps . Heart of Earth sets excerpts of poetry by Laura Purdie Salas that are rich in vivid descriptions of the natural world. The simple melodic lines are embellished with cross-rhythms, vocal scoops, and hand-claps.