Founded by Grammy-award winning artist Sarah McLachlan along with Dan Fraser, Marty Diamond and Terry McBride, Lilith Fair was the only tour of its kind—a celebration of women in music. $41.50-$127 This year: Sarah McLachlan, Mary J. Blige, Kelly Clarkson, Heart, Cat Power, Vita Chambers, Vedora, Kate Nash, Meaghan Smith, La Roux, and Katie Todd.