The Solid Rock Sound Machine Mobile Entertainment Company is a husband and wife team, Andrew (Drew) and Karen Walker, who have been married 23 years. They have been providing musical entertainment in the Topeka, Kansas area for over 18 years. They will travel within a 200 mile radius of Topeka. The Solid Rock Sound Machine Mobile Entertainment Company personalizes your event with planning sessions to establish what kind of music and activities you want to include in your event. Drew and Karen...