For Male Choir and Tubular Bell. Composed by Mikko Heiniö. Boosey & Hawkes Sacred Choral. Classical, General Worship, Sacred. Octavo. Fennica Gehrman #M550112995. Published by Fennica Gehrman (HL.48024724).
UPC: 888680955670.
Heinio's Amen for male choir and tubular bell (one tube Db/C# is needed) contains only the word Amen, which is explored and displayed in various colours and situations.