The Adirondack Singers will begin rehearsals for the fall/winter season next Tuesday, Sept. 12, at 7 p.m. at the Adirondack Alliance Church on Lapan Highway in Saranac Lake. The Adirondack Daily Enterprise reports rehearsals will continue every Tuesday evening through Nov. 28. This group of adult singers from communities in the Tri-Lakes and beyond will be preparing their annual Winter Holiday Concert, to be performed at 2 p.m. on Sunday, Dec. 3 in Saranac Lake.