Them Mushrooms is by now an institution in Kenyan popular music. The band started already in 1972, at that time with Osibisa and Black Blood as musical models. The founders were the Harrison brothers: Teddy Kalanda, John "Bishop" Katana, George Ziro and Billy Zarro. They have kept the band going ever since. First 12 years in the tourist hotels in Mombasa and then in Nairobi. As many other bands in East Africa they didn't own any instruments. They were dependent on hotel owners to provide instruments, a situation that very much restricts the freedom of bands in Africa.