What is the fine-grained topic of the following text: On first seeing Barnett’s stage set-up, I had a wee smirk to myself, so simplistic in its design with a keyboard and drums, a mic stand and a string of twinkly lights stretched from one side to the other, there were no smoke and mirrors required, nothing fancy – indicating that what was to come was a down to earth showcase of pure good music. Only return the topic.
Review of Barnett's stage set-up for a music performance