Singer-songwriter Keller Williams and alternative rock band Sister Sparrow and the Dirty Birds are the latest additions to ArtsQuest's concert lineup at the SteelStacks complex.

The two shows were announced Wednesday in a news release.

Williams previously performed in June 2013 at Musikfest Cafe. He performed at SteelStacks in September 2011 as part of ArtsQuest's SteelJam Festival. Tickets for his Oct. 30 show cost $18-$22 in advance, $20-$25 at the door. Show time is 9 p.m.

Sister Sparrow and the Dirty Birds opened for Musikfest headliners The Avett Brothers in August 2014. The band released its latest album, The Weather Below, in May. Tickets for the group's Dec. 3 performance in the Fowler Blast Furnace Room cost $15.

Tickets for both shows go on sale 10 a.m. Aug. 25 to ArtsQuest members, 10 a.m. Aug. 28 to the public.

The Fowler Blast Furnace Room and Musikfest Cafe are located inside the ArtsQuest Center at SteelStacks.