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 How often are new songs and Bootcamp lessons added to the application? Does Playground Sessions teach music theory? Or just songs? Should I go through all of the Bootcamp lessons first, then play songs? Where do I start? I'm a complete beginner. I'm seeing a 4/2 time signature at the Rookie level. What is that? Comments 0 comments Article is closed for comments.