Jordi Savall and Hesperion 21 play the Turkish tune "Makam Rast." "Makam" are Turkish melodic units that resemble Western musical modes.

Jordi Savall is the Yo-Yo Ma of the Viola da Gamba, an instrument that predates the modern-day cello. The Catalan musician spends most of his time dusting off little-known music from around the time ...