CT PRESS › Variations on "Eternal Father, Strong to Save" - Daniel Bukvich Image 1 of 1 Variations on "Eternal Father, Strong to Save" - Daniel Bukvich $25.00 By Daniel Bukvich for SATB choir, bass guitar, and percussion. Variations on “Eternal Father, Strong to Save.” Add To Cart Added! By Daniel Bukvich for SATB choir, bass guitar, and percussion. Variations on “Eternal Father, Strong to Save.”