Bruno Heinz Jaja
Fictional composer, likely German, whose works were performed at two Hoffnung Festivals, a British music festival featuring parodies of classical music.
At the 1956 concert, a duet from his comic opera The Barber of Darmstadt," really by Humphrey Searle.
At the 1961, "Punkt Contrapunkt," a parody of avant-garde pieces of the time.
Jaja's name is a parody of real avant-garde Italian composer Luigi Nono