What is the fine-grained topic of the following text: Violist Ryan Lee and Guitarist Cameron O’Conner played an array of music spanning classical, Argentinian tango, and some piece from the Beatles they thought would translate well from being played by a full orchestra to only using a violin and a guitar. Only return the topic.
Ryan Lee and Cameron O’Conner's musical performance featuring classical, Argentinian tango, and Beatles music.