How to Play the Tetris theme song on the accordion

In this video, we learn how to play the Tetris theme song on the accordion. D major 7 is the first chord, going to A, B flat, C, B flat, A, G, B flat, D, C, B flat, A, B flat, C, D, B flat, G, and G. Play these separately, then practice doing all of these chords in order one after the other to do the first part of the song. Now, walk up to the C chord and then press, B flat, F, D, B flat, D, C, B flat, A, B flat, A, C, D, and D. Continue to play these chords until you reach the end of the song, enjoy!