Score: 11-byrd--attollite_portas_principes_vestras----0-score.pdf
MIDI files:
| Num | Name | Cleffing; |
| 1 | superiusOne | part in treble clef |
| 2 | superiusTwo | part in treble clef |
| 3 | discantus | part in alto clef |
| 3 | discantus | part in octavated treble clef |
| 4 | contratenor | part in alto clef |
| 4 | contratenor | part in octavated treble clef |
| 5 | tenor | part in alto clef |
| 5 | tenor | part in bass clef |
| 5 | tenor | part in octavated treble clef |
| 6 | bassus | part in bass clef |
CPDL link: https://www.cpdl.org/wiki/index.php/Attollite_portas_(William_Byrd)
IMSLP link: https://imslp.org/wiki/Attollite_portas_principes_vestras_(Byrd,_William)