By Diane Lefrandt Photo:&nbsp; Sarah Hall Cutline:&nbsp; Sing For Something cast members performing &amp;#8220;Accentuate the Positive&amp;#8221; to benefit the Huntsman Cancer Foundation. The group will perform Friday at 7:30 p.m. and Saturday at 3:30 p.m. and 7:30 p.m. Charitable events are singing a new song this weekend in Payson. Provo-based Sing For Something is a [...]