Northumbrian smallpipes (plurale tantum)
Bagpipe, bellows-blown: 2 stocks (a: single chanter / b: 5 drones in 1 stock)
According to Leydi instruments with 5 drones, all in the same stock, are known; NB¹ (plurale tantum): The term is also used when referring to 1 instrument only;
NB²: ➺ Parlour pipe, Shuttle pipe.
Leydi, Roberto: La zampogna in Europa. Como, 1979, p.90 (type only, no term).