SAB choir, keyboard - Moderately Easy - Digital Download SKU: MQ.50-8912-E Composed by Charles E. Callahan Jr. 5 pages. MorningStar Music Publishers - Digital Sheet Music #50-8912-E. Published by MorningStar Music Publishers - Digital Sheet Music (MQ.50-8912-E). St. Pauls words to the Thessalonians. A very useful anthem, which should be in every choirs library. Both the choral lines and accompaniment are very easy. Opportunities for Solos as well.