Then: The Jambo Boys band playing at East African Records, Nairobi, 8 March 1960. Notice the huge double bass. From the Trotter collection, ref. 2001/090/1/1/34611.

Now: The Nairobi Horns are a contemporary band that combine music styles like jazz, African rhythms, contemporary, hip hop and electronic music. In today’s Nairobi music scene the dress style is more informal and the hair styles very different. Photograph: Chao Tayiana and Jones Waihenya