- clefPitches = #'(("clefs-G" . -4)
- ("clefs-C" . 0)
- ("clefs-F" . 4)
- ("clefs-vaticana_do" . 0)
- ("clefs-vaticana_fa" . 4)
- ("clefs-medicaea_do" . 0)
- ("clefs-medicaea_fa" . 4)
- ("clefs-hufnagel_do" . 0)
- ("clefs-hufnagel_fa" . 4)
- ("clefs-hufnagel_do_fa" . 0)
- ("clefs-mensural1_c" . 0)
- ("clefs-mensural2_c" . 0)
- ("clefs-mensural3_c" . 0)
- ("clefs-mensural1_f" . 4)
- ("clefs-mensural2_f" . 4)
- ("clefs-mensural_g" . -4))