Instrumental music, it appears, is not music to the ears of ISIS. In one of the group’s almost daily releases of propaganda imagery, black-clad militants in eastern Libya are shown presiding over the destruction of a number of musical instruments. Saxophones and drums go up in smoke as the group torches them in the open, drumming up fear in the process.

ISIS is now a firmly established presence in Libya, having killed a 21 Egyptians on Sunday at a beach in Tripoli.