Some Psalms (and a canticle) that I might try and write music for.

5th Sunday of Easter
6th Sunday of Easter
Ascension - God goes up with shouts of joy; the Lord goes up with trumpet blast. Ps. 46
7th Sunday of Easter - I am sure I shall see the Lord's goodness in the land of the living. Ps. 26
Pentecost
The Most Holy Trinity - To you glory and praise for evermore. Dan. 3:52-56
Corpus Christi - O praise the Lord, Jerusalem! Ps. 147
9th Sunday of the year
(n.b. St. Justin, Martyr)
10th Sunday of the year - I will show God's salvation to the upright. Ps. 49
11th Sunday of the year - We are his people: the sheep of his flock. Ps. 99
12th Sunday of the year
13th Sunday of the year
Ss.Peter and Paul
14th Sunday of the year - I will bless your name for ever, O God my King. Ps. 144