The singers, Heman, Asaph, and Ethan, were to sound bronze cymbals;
Preparation is here made for the bringing of the ark home to the city of David from the house of Obed-edom. It is here owned that in the former attempt, though it was a very good work and in it they sought God, yet they sought him, not after the due order, Ch1 15:13.
Commenting on 1 Chronicles 15:1-24
So the singers, Heman, Asaph, and Ethan,.... The three principal of them: these were appointed to sound with cymbals of brass; for as there were three sorts of musical instruments, Ch1 15:16 these three chief singers had one of those instruments appropriated to them, one of which were the cymbals of brass, to which the apostle alludes, Co1 13:1.
1Ch 15:19-21 These singers formed three choirs, according to the instruments they played. Heman, Asaph, and Ethan played brazen cymbals להשׁמיע (1Ch 15:19); Benaiah and the seven who follow played nablia (psalteria) עלמות על (1Ch 15:20); while the last six played lutes (harps) לנצּח השּׁמינית על (1Ch 15:21).
Commenting on 1 Chronicles 15:19-21