Björk, August 31 at Suffolk Downs: on sale Friday at 10 a.m., call (800) 477-6849.

David Lee Roth, September 15 at the Palladium, Worcester: on sale Friday at 10 a.m., call (800) 477-6849.

Rosanne Cash, June 21 at the Somerville Theatre: on sale Saturday at 10 a.m., call (617) 931-2000.

"JVC Jazz Festival — Newport" featuring India.Arie, George Benson, Terrence Blanchard, Dave Brubeck, Cassandra Wilson, and Eddie Palmieri, August 8 through 10 at Fort Adams State Park: on sale Saturday at 10 a.m., call (866) 468-7619.

"Apple and Eve Newport Folk Festival" featuring Ani DiFranco, Joan Armatrading, Aimee Mann, Sam Bush, John Prine, Angélique Kidjo, Nickel Creek, the Waifs, and Lyle Lovett, John Hiatt, Guy Clark, and Joe Ely, August 15 through 17 at Fort Adams State Park: on sale Saturday at 10 a.m., call (866) 468-7619.

The Dalai Lama, September 14 at the FleetCenter: on sale Sunday at 11 a.m., call (617) 931-2000.

"Thomas Gainsborough, 1727-1788," June 15 through September 14 at the Museum of Fine Arts: call (617) 423-NEXT.

X, June 16 at Avalon: call (617) 423-NEXT.

50 Cent, Jay-Z, Busta Rhymes, Missy Elliott, and Fabolous, June 27 at the Tweeter Center, Mansfield: call (617) 931-2000.

The Dirtbombs, the Kills, and the Horror, July 16 at the Middle East: call (617) 864-EAST.

Iron Maiden, Dio, and Motörhead, July 21 at the Worcester Centrum: call (617) 931-2000.

Lollapalooza, with Jane’s Addiction, Audioslave, Queens of the Stone Age, Incubus, Jurassic 5, and the Donnas, July 25 at the Tweeter Center, Mansfield: call (617) 931-2000.

Aerosmith, Kiss, and Saliva, August 25 and 27 at the Tweeter Center, Mansfield: call (617) 931-2000.