<p>This very simple dialog allows to choose either a number of semitones to add or substract to all the notes inside the region, and/or for more significant changes, octaves (12 semitones).</p>
<p>This very simple dialog allows to choose either a number of semitones to add or substract to all the notes inside the region, and/or for more significant changes, octaves (12 semitones).</p>