AC/DC, Atlanta. 8 p.m. Friday, Philips Arena, 1 Philips Drive, Atlanta. $93.50. Ticketmaster.
Jason Castro, Lawrenceville. American Idol 2008 third runner-up. 6 p.m. Friday, food court, Discover Mills, 5900 Sugarloaf Parkway, Lawrenceville. Free. 678-847-5000.
Organ concert, Demorest. Doulas Cleveland will perform as part of the Sewell Organ Concert Series. 7:30 p.m. Friday, Center for Worship and Music chapel, Piedmont College, 165 Central Ave., Demorest. $10 adults, $5 students and seniors, free for Piedmont faculty, staff and students with ID. 706-778-3000, ext. 1152.
Celtic Crossings, Gainesville. Celtic music by Voices of North Georgia. 7:30 p.m. Friday-Saturday, Lakewood Baptist Church chapel, 2235 Thompson Bridge Road, Gainesville. $15 adults, $12 seniors and students, $5 children age 11 and younger.
Sheri Kling, Sautee. 8 p.m. Saturday, Sautee Nacoochee Center, 283 Ga. 255 N., Sautee. $15 members, $20 nonmembers, $8 ages 6-17. 706-878-3300.
Southeastern Bluegrass Association Silver Anniversary Superstar Concert, Duluth. Featuring Longview and Daughters of Bluegrass. Saturday, Gwinnett Peforming Arts Center, 6400 Sugarloaf Parkway, Duluth. $30 in advance; $40 at the door.
The 9th, Gainesville. Gainesville Symphony Orchestra will perform Ludwig van Beethoven's "Symphony No. 9, Choral." The Lanier Chamber Singers and the North Georgia College & State University choruses also will perform. 7:30 p.m. Saturday, Pearce Auditorium, Brenau University, 500 Washington St., Gainesville. 770-532-5727.
KISS, Atlanta. 7:30 p.m. Monday, Philips Arena, 1 Philips Drive, Atlanta. $19.50-$130. Ticketmaster.
The Merling Trio, Gainesville. ProMusica concert series. 7:30 p.m. Tuesday, Pearce Auditorium, Brenau University, 500 Washington St., Gainesville. $15, students free with ID. 770-535-7342.
Blue Sky Concerts, Gainesville. Windjammer, noon-1 p.m. Wednesday, downtown Gainesville square. Free.
Senior voice recital, Dahlonega. Andrew Self accompanied by Mary Beth Hutcheson. 7 p.m. Oct. 29, Gloria Shott Performance Hall, North Georgia College & State University, 82 College Circle, Dahlonega. Free. 706-864-1431.
Dawson Community Chorale, Dawsonville. 7:30 p.m. Oct. 30, First Baptist Church of Dawsonville, 900 Ga. 9, Dawsonville. $10 adults, $8 students and members, age 10 and younger free.
Georgia Theatre Benefit Show, Atlanta. Zac Brown Band, Little Big Town, Joey + Rory, Shawn Mullins, Aslyn and Oliver Wood will perform. Concert benefits the rebuilding of the Georgia Theatre, which was destroyed this year in a fire. 7:30 p.m. Oct. 30, Fox Theatre, 660 Peachtree St. NE, Atlanta. $100. Ticketmaster.
Evenings of Intimate Jazz, Gainesville. Featuring Rick Pruett and Mark Davis and Friends. 8 p.m. Nov. 14, Smithgall Arts Center, 331 Spring St. SW, Gainesville. $30, $25 for groups of six or more. 770-534-2787 or The Arts Council.
Appalachian Jam, Dahlonega. Saturdays through Nov. 7, downtown Dahlonega. Free. 706-864-3513.
Saturday Evening Concert Series, Helen. 8 p.m. Saturdays through Nov. 14, Unicoi State Park & Lodge, 1788 Ga. 356, Helen. $5 parking; donation.