The head is not more native to the heart, The hand more instrumental to the mouth —
instrumental music
He defended the use of instrumental music in public worship.
John Dryden
Sweet voices mix'd with instrumental sounds.
the instrumental case
I recommend this album in the face of the fact that five of the eleven songs are the purest filler, dull instrumentals with a harmonica rifling over an indifferent rhythm section. The rest is magnificent[...]