 It is a refined sort of music, with lyrics derived from Sufi poems about divine love.The instruments of shashmaqam provide an austere accompaniment to the voices.They consist, at most concerts, of a pair of long-necked lutes, the dayra, or frame drum, which, with its jingles, is very much like a tambourine, and the sato, or bowed tanbour, which vaguely resembles a bass fiddle.