The gharana was founded by the disciples of Amir Khusrau, a pioneer of qawwali, tarana and khayal.
[4] In addition to extensive khayal compositions, the gharana is known for its qawwals.
[5] Some orthodox members of Indian classical music world do not regard the Delhi gharana as an "authentic" one because its members include a number of tabla and sarangi players.
Scholars note the individual quality of each generation's leading singer.
[citation needed] It is strictly forbidden to play Sarangi in the tradition of the original Qawwal Bacche.