Eddie Rosenberg III

by Marisa Torrieri Bloom The Green Orbs’ music is infectious and silly, as in laugh-out-loud silly — and that’s exactly what the band, made up of brother-sister duo Heather Hirshfield and Eddie Rosenberg III, want you to do. Don’t believe me? Just watch the carnival-worthy “Mr. Mustache,” and you’ll agree. We sat down with Hirshfield,…