How often are new songs and Bootcamp lessons added to the application? Dave June 21, 2018 22:00 Updated Our team works hard to add a couple of new songs to our Song Store each week, and new Bootcamp content every two months. Related articles Should I go through all of the Bootcamp lessons first, then play songs? After buying a membership, do I still need to buy songs to learn the piano with your program? Does Playground Sessions teach music theory? Or just songs? Are Playground songs true to their original versions? I'm seeing a 4/2 time signature at the Rookie level. What is that? Comments 0 comments Article is closed for comments.