Given a set of notes, apply a number of inversions indicated by Shift. Inversions being an increase to notes if Shift is positive or decreasing the notes if Shift is negative.
Introduced in v2.6
Example
# Example 1
play invert_chord(chord(:A3, "M"), 0)
sleep 1
play invert_chord(chord(:A3, "M"), 1)
sleep 1
play invert_chord(chord(:A3, "M"), 2)