To learn the Proper of the Mass from the Roman Gradual, consider purchasing the collection of Gregorian recordings by Schola Bellarmina: Every Gregorian chant of the liturgical year, professionally recorded

Hymns:

Alma Redemptoris Mater – simple tone (Advent to Feb 3)

Attende Domine (Lent)

Ave Maria

Ave Regina Caelorum – simple tone (Feb 3 to Holy week)

O filii et filiae (Easter)

Parce Domine (Lent)

Regina Caeli – simple tone (Easter to Pentecost)

Regina Caeli Jubila (Easter)

Salve Festa Die (Easter)

Stabat Mater Dolorosa (simple – Lent)

Veni Creator Spiritu (Pentecost)