you have to have a piano to do this

 Proceed from Chapter 19 to the end of Toby’s Piano Improvisation - Level 2, recording and submitting all piano playing assignments as individual MP3s. For this you will need the Level 2, CD 2 play-along tracks, which are available  here 

 https://www.dropbox.com/sh/myce8mmrdvu5un2/AAAkSHhCJw7qTpPZnM3jESFaa?dl=0