sentences:  He was a professor of music at UCLA and the University of Pittsburgh, and lectured in many prestigious universities worldwide, including Harvard University, Stanford University, University of Michigan, City University London, the University of Brisbane in Australia, the University of Kansas, Lawrence, and the China Conservatory of Music, Beijing.He was a professor of music at the University of Ghana, Legon, Accra, where he began teaching in 1952.He directed the International Centre for African Music and Dance (ICAMD).