def alberti(triad):
    return HSeq(triad[i] for i in [0, 2, 1, 2])


# an abstract VSeq of 3 notes in root position (degree 1, 3 and 5)
takes a VSeq of 3 notes and returns an HSeq of those notes in an
dataset/ETHPy150Open jtauber/sebastian/experimental/alberti.py/alberti