Choral (SATB Choir) SKU: HL.8739086 Composed by Gregory M. Pysh and William Ballet. SATB. Fred Bock Publications. Christmas, Lullaby. Octavo. 12 pages. Fred Bock Music Company #BG2353. Published by Fred Bock Music Company (HL.8739086). UPC: 073999390865. 6.9x10.5 inches. William Ballet/Gregory M. Pysh.The Christmas lullaby is a must at Christmas. With a lovely, plaintive obbligato above, a calm and sweetly rocking modal tune, the warmth and tenderness of the season is captured in song. Greg Pysh may be a new published writer, but his craftsmanship displays a more experienced skill. Available: SATB.