The Frescobaldi Thematic Catalogue Online
Palestrina: F13.42S. In Dominicha per Anum: Lucis creator optime
Scoring: Keyboard
Genre: Hymn
Key/Signature: F /♮
Main Source: Chigi Q.IV.19
Notes: See 13.41S for literature, etc. Presumably the polyphonic verse will be preceded by a chant intonation on “Lucis creator optime.”