2-part treble voices (children) and keyboard, with optional handbells (4 octaves) - Moderately Easy - Digital Download SKU: MQ.50-6107-E Composed by William Beckstrand. Instrument part. 6 pages. MorningStar Music Publishers - Digital Sheet Music #50-6107-E. Published by MorningStar Music Publishers - Digital Sheet Music (MQ.50-6107-E). English.This fascinating text by Thomas Troeger is constructed like a chain of talismans (Heart, hold fast. One truth clasp: Center on Christ alone) and provides a perfect vehicle for children's voices. The composer is known for his craftsmanship, and it's wonderful to see his skills applied to music for two-part treble voices, with keyboard accompaniment and optional handbells (15 bells over a 4 octave span).