21Dn Sound of German rising for series of prayers. (7)
DEF        = Series of prayers
SOUND      = SANE
OF GERMAN  = VON
SOLUTION   = NOVENAS (SANEVON reversed)
27Ac True struggle disheartened this old union's members (7)
DEF        = old Unions's members =SOVIETS
TRUE       = SO (sat it isn't SO)
STRUGGLE   = VIE
THIS DISHEARTENED = T(hi)S