Halim Abdul Messieh El-Dabh ( ("Ḥalīm ʻAbd al-Masīḥ al-Ḍab"ʻ); March 4, 1921 – September 2, 2017) was an Egyptian-born American composer, performer, ethnomusicologist, and educator. He has a career spanning six decades. He is known as an early pioneer of electronic music, for having composed in 1944 the first piece of electronic tape music.