 Traditionally, events such as marriage, funerals, worship, installation, praise, and exaltation of kings ("omukama"), celebratory war dances ("omutoro") and heroic recitations or self-praise recitations ("ebyebugo"), healing practices such as cleansing and chasing away evil spirits, and all occasions calling for celebration produced performances.In 1952 world-renowned ethnomusicologist, Hugh Tracey, recorded songs of the Haya people.These songs are preserved by the International Library of African Music.