What is the fine-grained topic of the following text: Keith Harrington (bass and guitar) will be joined by Gina Byrd (vocals), Terry Scheaffer (vocals), Donnie Gray (drums), and Jon Rose (bass and guitar) to perform a mix of blues, blues rock, country, a bit of reggae, and a few surprises. Only return the topic.
Keith Harrington and other musicians performing various genres of music