In 2011, Massy co-founded the 4&20 Blackbird Music Festival which operated for two years in downtown Weed, California.
ɪn tˈuː θˈaʊzənd ɪlˈɛvən, mˈæsi kˈoʊfˈaʊndᵻd ðə fˈoːɹ ænd twˈɛnti blˈækbɜːd mjˈuːzɪk fˈɛstɪvəl wˌɪtʃ ˈɑːpɚɹˌeɪɾᵻd fɔːɹ tˈuː jˈɪɹz ɪn dˈaʊntaʊn wˈiːd, kˌælɪfˈoːɹniə.