The Art of the Tambūra in Qatar: African Identity Reimagined
Edited by Isso Boulos, Virginia Danielson and Anne K. Rasmussen
Here are the two recordings discussed on pages 148-151 (with transcriptions on p. 154). Sultan Sa`d performed the first recording in 1988, captured by A.J. Racy. Muhammad Sa`d performed the second recording in 2015, captured by Yassine Ayyari.
Sultan Sa`d, 1988:
Muhammad Sa`d, 2015:
The following images show some of the instruments and tools used in Nūbat al-Ṭambūra: