String Bass - Digital Download SKU: AX.00-PC-0016139_SB String Bass. Arranged by Keith Christopher. Instructional. Part. 1 pages. Alfred Music - Digital Sheet Music #00-PC-0016139_SB. Published by Alfred Music - Digital Sheet Music (AX.00-PC-0016139_SB). Masterfully crafted with a traditional harmonization, this piece is an eloquent showcase for mixed or men's choirs. The addition of the SoundPax instrumentation (strings, flute, and percussion) will make the arrangement shimmer. A gorgeous treatment of an American classic. Instrumental parts available as a digital download.