David Amunga was a foundational figure in Kenya's music history, emerging in the late 1950s as a talented vocalist and composer before transforming into a pioneering record producer. He first captured the public's attention in 1958 with the hit song "Someni Vijana," a collaboration with guitarist Ben Blastus O'Bulawayo that urged young people to pursue education. The track became so deeply embedded in the national consciousness that the Voice of Kenya radio network adopted it as the signature tune for its educational broadcasts for decades. Amunga followed this success with several other popular recordings, including "America to Africa" in 1964, which achieved massive sales across Kenya, Uganda, and Tanzania, alongside timeless compositions like "Mama Mukoya" and "Jane is Pretty."
Amunga's impact extended far beyond his own performances as he became one of the first indigenous African entrepreneurs to break into the country's recording sector. In the mid-1960s, he established independent music production labels and retail outlets, including Mwangaza Records and Kasanga Productions, where he scouted and recorded emerging local talent. Recognizing the widespread exploitation of musicians during this era, he shifted much of his later energy toward copyright advocacy. He co-founded the Music Copyright Society of Kenya to secure fair royalties for artists and established ARTCO, a dedicated cooperative for performing and visual creators, ensuring his legacy as both a creative force and a fierce protector of Kenyan cultural heritage.