1) ‘Synth’ is a sheet music mode without a video.

2) ‘Song’ is a sheet music with drum cover video.

3) ‘Drums Only’ is a sheet music with drums only video

(For reference, some of them do not include drum vidoes)

You can adjust the size of the video

You can adjust the size of the sheet music.

You can adjust the tempo/speed.

Practice slowly, starting at a slow pace.

You can set the section repeat by dragging the desired part.

You can practice effectively by setting the part.