STRING CHEESE INCIDENT + BOB WEIR & RAT DOG | July 15 at the Tweeter Center, Mansfield | $35 + $45 | on sale Friday at 10 am | 617.931.2000 | MARIAH CAREY + SEAN PAUL | August 21 at the TD Banknorth Garden, Boston | $19.50-$129.50 | on sale Friday at 10 am | 617.931.2000 | DANIEL POWTER | July 22 at the Roxy, Boston | $20 | on sale Saturday at 10 am | 617.931.2000 | DIXIE CHICKS | July 29 at TD Banknorth Garden, Boston | $49.50 + $77.50 | on sale Saturday at 10 am | 617.931.2000 | ALLMAN BROTHERS BAND | August 26 at the Tweeter Center, Mansfield | $25-$50 | on sale Saturday at 10 am | 617.931.2000 | PRETENDERS | August 4 at Avalon, Boston | $45 | on sale Saturday at noon | 617.931.2000

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