Score: 39-palestrina--quem_vidistis_pastores----0-score.pdf
MIDI files:
| Num | Name | Cleffing; |
| 1 | cantus_1 | part in treble clef |
| 2 | cantus_2 | part in treble clef |
| 3 | altus_1 | part in alto clef |
| 3 | altus_1 | part in octavated treble clef |
| 4 | altus_2 | part in alto clef |
| 4 | altus_2 | part in octavated treble clef |
| 5 | tenor | part in alto clef |
| 5 | tenor | part in octavated treble clef |
| 6 | bassus | part in bass clef |
CPDL link: http://www.cpdl.org/wiki/index.php/O_magnum_mysterium_(Giovanni_Pierluigi_da_Palestrina)
IMSLP link: https://imslp.org/wiki/O_magnum_mysterium_(Palestrina%2C_Giovanni_Pierluigi_da)