Yamaha Mobile Owner's Manual page 7

Song playback controls and indicators
Tap to move the playhead forwards or
backwards in steps of one measure.
Tap to move the playhead to the start
of the song.
Tap to start playback of the current
song. Tap while playing to stop the
song.
Mobile Music Sequencer Owner's Manual
Shows the playback position in terms of
measures and beats.
Shows the current chord from the selected section
during playback.
Tap to have playback loop within the
Loop Area.
Tap to have the screen scroll to follow
the playhead.
Loop Area
Slide the triangle on the left to set the
loop start point. Slide the triangle on
the right to set the loop end point.
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