Roland Music ATELIER AT500 Owner's Manual page 237

6.
Touch < > to start playing back the song.
You can touch Playback Transpose <
When you touch Melody <Mute> in the screen, the melody will be muted.
You can mute the melody, and play the melody yourself.
When you touch Melody <Guide> in the screen, the volume of the melody will be
lowered. You can leave the melody playing at a lowered volume and play along until
you've learned the melody. Since you will still be able to hear the melody, you can use
it as a guide during practice.
7.
Touch < > to stop playing back the song.
> < > to change the key of the song.
Enjoying Music and Video
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