SSATB chorus unaccompanied - Digital Download SKU: OX.9780193702165 Composed by Stephen Harrap. New Horizons. Octavo. 12 pages. Oxford University Press Digital #9780193702165. Published by Oxford University Press Digital (OX.9780193702165). ISBN 9780193702165.For SSATB unaccompaniedl Harrap's Veni Creator Spiritus is an innovative yet accessible setting of the well-known Vespers hymn. A meditative rendering of the familiar plainchant is combined with a flexible lyricism, unusual harmonies, and rhythmic interest, bringing a fresh voice to the choral repertoire.