Complex sentence: For the next two years, Hendrix made a living performing at a circuit of venues throughout the South who were affiliated with the Theater Owners'Booking Association (TOBA), widely known as the Chitlin' Circuit.
Split into simpler sentences: For the next two years, Hendrix made a living performing at a circuit of venues throughout the South. Affiliated with the Theater Owners'Booking Association (TOBA), it was also widely known as the Chitlin' Circuit.