In addition to the suggestions below, a number of hymns published on StF+ are suggested for Pentecost:

Come, Holy Spirit, come
Eternal source of humankind
Holy Spirit, fall on me
Holy Spirit, my helper
It was a new beginning on the day the Spirit came
Set loose the tongues

Acts 2: 1-21

Breathe on me, breath of God (StF 370)
Come, O Holy Spirit, come (Wa wa wa Emimimo) (StF 38)
Gracious Spirit, Holy Ghost (StF 379)
I come with joy, a child of God (StF 588)
O breath of life, come sweeping through us (StF 391)
She sits like a bird, brooding on the waters (StF 393)
Spirit who broods (StF 396)
This is the day the Lord has made (StF 151)

Psalm 104: 24-34, 35b

Hymns echoing the psalmist’s theme

All creatures of our God and King (StF 99)
Even as the world began (StF 71)
God, who made the stars of heaven (StF 7)
Touch the earth lightly (StF 729)

1 Corinthians 12: 3b-13

Because you came and sat beside us  (StF 420)
Come Holy Ghost, your influence shed (StF 579)
Come to us, creative Spirit (StF 726)
Holy Spirit, come, confirm us (StF 382)
O thou who camest from above (StF 564)
One is the body and one is the Head (StF 688)
There’s a spirit in the air (StF 398)

John 20: 19-23

Colours of day dawn into the mind (StF 167)
Come down, O love divine (StF 372)
Holy breath of God, find me in this place (StF 380)
May the God of hope go with us every day (StF 411)
The love of God comes close where stands an open door (StF 654)