Willie Nelson and Family, January 25 at the Orpheum: on sale Friday at 10 a.m., call (617) 931-2000.

Alicia Keys, January 26 at the Orpheum: on sale Friday at 10 a.m., call (617) 931-2000.

Machinehead and Dope, February 9 at the Palladium, Worcester: on sale Friday at 10 a.m., call (800) 477-6849.

Elton John and Billy Joel, January 29 at the FleetCenter: on sale Saturday at 10 a.m., call (617) 931-2000.

Aaron Carter, February 5 at the Tsongas Arena, Lowell: on sale Saturday at 10 a.m., call (617) 931-2000.

Creed, February 7 at the FleetCenter: on sale Saturday at noon, call (617) 931-2000.

Riverdance, June 4 through 30 at the Wang Theatre: on sale Sunday at 10 a.m., call (800) 447-7400.

Method Man and Redman, December 21 at the Palladium, Worcester: call (800) 477-6849.

Spalding Gray in Swimming to Cambodia, January 17 through 19 at Sanders Theatre: call (617) 496-2222.

Mission of Burma, January 18 at Avalon: call (617) 423-NEXT.

Galactic, January 20 at the Paradise: call (617) 423-NEXT.

" Down from the Mountain Tour " with Alison Krauss and Union Station and featuring Jerry Douglas, Emmylou Harris, Ralph Stanley, the Whites, Norman and Nancy Blake, Patty Loveless, Chris Thomas King, the Peasall Sisters, Robert Neuwirth, and the Nashville Bluegrass Band, February 2 at the Wang Theatre: call (800) 447-7400.

Crosby, Stills, Nash & Young, March 2 at the FleetCenter: call (617) 931-2000.

Elton John & Tim Rice’s Aida, March 27 through April 14 at the Wang Theatre: call (800) 447-7400.