Instrumental rock is rock music that emphasizes musical instruments and features very little or no singing.
An instrumental is a musical composition or recording without lyrics, or singing, although it might include some inarticulate vocals, such as shouted backup vocals in a big band setting.
.38 Special Robin Hood (wild Eyed Southern Boys) Most, if not all, of B. Bumble and the Stingers' recordings are instrumentals.
(Note: Bandstand, from 1972, is the only Family album that does not feature an instrumental track.)
Most of if not all of their albums consist of instrumentals.