How Instrument Choice Shapes a Genre's Character
Launch library · evergreen read

The particular combination of instruments chosen for a performance shapes its overall character as much as the melody or lyrics themselves, a qawwali's driving handclaps and tabla creating a very different atmosphere than a ghazal's more restrained harmonium accompaniment. Even a listener unfamiliar with either genre can often sense this difference in atmosphere within moments of a performance beginning.
This is part of why genre distinctions within the wider tradition are felt as much through sound and texture as through formal structure or subject matter, the instrumental साज़, or instrument, palette itself signalling to a listener what kind of listening experience to expect. That signalling happens almost instantly, often before a listener has consciously registered a single word being sung.
Paying attention to instrumentation, not only melody or words, offers a useful additional way into understanding the tradition's internal variety, each genre's particular sound world shaped deliberately by the instruments chosen to carry it forward. That attention rewards a listener with a richer, more complete sense of everything a given performance is actually doing.