The local guys of Aerosmith and their pal Slash looked ready to tour when they performed together at Whisky A Go Go on Tuesday. Steven Tyler and the band announced that day that Massachusetts will get a “Let Rock Rule” show with Slash on July 16 at the Xfinity Center.Mark Shanahan can be reached at email@example.com. Follow him on Twitter @MarkAShanahan. Meredith Goldstein can be reached at firstname.lastname@example.org. Follow her on Twitter @MeredithGoldste.