Benny Mustafa Van Diest, is an Indonesian drummer born in 1939. He was once joined Eka Sapta Music Group in the 60s and he has also been involved in several jazz groups that play dixieland, swing, cool jazz, bebop, hardbop and latin jazz. Beginning to learn to play drums at the age of 18, his teacher was Bart Risakotta, a drummer who had played with Nick Mamahit Trio. Benny Mustafa started playing drums professionally when he joined Quinta Nada in 1957 in Jakarta. In 1963 he left Indonesia to America. A year later, Benny attended the 1964 New York World Fair in the United States, and in 1965, he toured Europe and Africa. In 1978 Benny Mustafa joined Ireng Maulana All Stars with members including Ireng Maulana (guitar and banjo), Benny Likumahuwa, (trombone), Hendra Wijaya (piano), Maryono (saxophone), Karim Test (trumpet) and Roni Isani (bass) . Benny has also performed with Ireng Maulana All Stars at the North Sea Jazz Festival, The Hague, Netherlands.