The Dirty Heads took on Boston’s newest venue, MGM Music Hall, Friday night with G. Love & Special Sauce and Lupe Fiasco. Despite having seen countless acts perform at this venue, I’ve never seen the floor so packed with such a wildly diverse crowd. With their mix of reggae, hip-hop, and alternative vibes, the Dirty Heads have something for everyone, and the addition of Lupe Fiasco to the second leg of their tour was an extra special treat for those who enjoy the hip-hop aspects of their music. G. Love & Special Sauce opened the night with impressively high energy, puffing a joint from the crowd and setting the tone for a good show. Lupe Fiasco kept the vibes up with constant crowd interactions. You could tell he was having as much as his audience jamming to his 2000’s hits, includ...