ɪn tˈuː θˈaʊzənd sˈɛvəntˌiːn, mˈæsi ænd kˈoʊˈɔːθɚ kɹˈɪs dʒˈɑːnsən bɪɡˈæn ɐ kəlˌæbɚɹˈeɪʃən fɚɹə pɹəfˈɛʃənəl ɹᵻkˈoːɹdɪŋ kˈoːɹs æt bˈɜːkliː bˈeɪst ˌɔn ðɛɹ bˈʊk, ɹᵻkˈoːɹdɪŋ ʌnhˈɪndʒd.
In 2017, Massy and co-author Chris Johnson began a collaboration for a professional recording course at Berklee based on their book, Recording Unhinged.