Some things you should conserve from a Michael Franti & the Spearhead concert: love is diverse, authentic, serene, clamorous, benevolent, kaleidoscopic, and much more. I was always skeptical about attending any of the California-bred singer’s shows because I felt he and his audience were solely about self-medicating, from weed and psychedelics to alcohol. For God’s sake, the man has a song titled “My Favorite Wine Is Tequila.” But I went, and boy, was I wrong. On Saturday, July 22, Franti and hi