Kelly Osbourne and Har Mar Superstar, March 29 at Axis: on sale Friday at 10 a.m., call (617) 423-NEXT.

Simple Plan, Gob, Madcap, and Diffuser, March 29 at the Palladium, Worcester: on sale Friday at 10 a.m., call (800) 477-6849.

Margaret Cho, April 25 at Symphony Hall: on sale Friday at 10 a.m., call (617) 931-2000.

Norah Jones and Gillian Welch, June 28 at FleetBoston Pavilion: on sale Saturday at 10 a.m., call (617) 931-2000.

" Summer Sanitarium Tour 2003 " with Metallica, Limp Bizkit, Linkin Park, Deftones, and Mudvayne, July 6 at Gillette Stadium, Foxboro: on sale Saturday at 10 a.m., call (617) 931-2000.

James Taylor, June 28 and 29 at the Tweeter Center, Mansfield: on sale Monday at 10 a.m., call (617) 931-2000.

Sigur Rós, March 16 at Berklee Performance Center: call (617) 931-2000.

The Soundtrack of Our Lives, March 23 at the Paradise: call (617) 423-NEXT.

Zwan, March 27 at the Orpheum: call (617) 931-2000.

Susan Tedeschi and Aubrey Ghent, March 29 at the Orpheum: call (617) 931-2000.

Concrete Blonde, April 2 at the Roxy: call (617) 931-2000.

Yo La Tengo and Portastatic, April 16 at the Roxy: call (617) 931-2000.

Ellen DeGeneres, April 19 at the Orpheum: call (617) 931-2000.

The Used, Thrice, My Chemical Romance, and Story of the Year, April 20 at the Roxy: call (617) 931-2000.

ADULT. and Magas, April 24 at the Paradise: call (617) 423-NEXT.

João Gilberto, July 19 at the Wang Theatre: call (800) 447-7400.