In 1993, four self-proclaimed “dorky pre-teen girls” decided to play music together. Sixteen years later, the Donnas have become a legendary rock and roll powerhouse. Because they started out as a group of friends, the original line-up remains intact and the girls continually put out critically acclaimed albums. To celebrate their success as one of the greatest female rock bands out there, they just released their eighth album, The Donnas Greatest Hits Vol. 16, and will be touring with rock legends Blondie and Pat Benatar. The tour hits Asser Levy Park in Brooklyn on Aug. 13 and believe it or not, it’s free! myspace.com/thedonnas.