Does Playground Sessions teach guitar? Dave June 28, 2018 12:28 Updated No. Playground Sessions currently focuses on teaching how to play the piano. Related articles Does Playground Sessions teach music theory? Or just songs? How often are new songs and Bootcamp lessons added to the application? Should I go through all of the Bootcamp lessons first, then play songs? I'm seeing a 4/2 time signature at the Rookie level. What is that? Where do I start? I'm a complete beginner. Comments 0 comments Article is closed for comments.