This chorale book is voiced in SATB. The Soprano is always the melody. The other parts are always harmony.
There is a descant book with several selected tunes from both the GREEN and BLUE series.
Chorale books contain tunes from the Moravian Church and ancient Unitas Fratrum, but also many hymns from other denominations.
The following is the instrumentation breakdown of the individual books for the BLUE books. The BLUE books contain 175 different tunes (different from those in the GREEN book) including Rock of Ages and Amazing Grace
Soprano B-flat (Clarinet, Cornet, Trumpet, Baritone) $6
Soprano C (Flute, Oboe) $6
Alto B-flat (Clarinet, Cornet, Trumpet, Baritone) $6
Alto E-flat (Alto Clarinet, Alto Sax, Horn) $6
Alto F (Horn) $6
Tenor TC (Tenor Sax, Trombone, Baritone) $6
Tenor BC (Trombone, Baritone) $6
Bass TC (Bass Clarinet, Trombone, Baritone) $6
Bass BC (Bassoon, Baritone Sax, Trombone, Baritone) $6
Bass Tuba $6 (Note: this part is an octave below Bass. It is recommended to have instruments playing the upper octave Bass, rather than using Tuba alone, when possible)
Piano/ Organ Score $10 (piano reduction, in grand staff, like a hymnal, but w/ no text)
Descant B-flat $8
Descant C $8