His self-published book From Polychords to Pólya: Adventures in Musical Combinatorics is about the application of the Pólya enumeration theorem to the counting and classification of musical constructs such as chords, scales, and rhythms.
hɪz sˈɛlfpˈʌblɪʃt bˈʊk fɹʌm pˈɑːlɪkˌɔːɹdz tə pˈɑːlɪə: ɐdvˈɛntʃɚz ɪn mjˈuːzɪkəl kˌɑːmbɪnɐtˈɔːɹɪks ɪz ɐbˌaʊt ðɪ ˌæplɪkˈeɪʃən ʌvðə pˈɑːlɪə ɪnˌuːmɚɹˈeɪʃən θˈiəɹəm tə ðə kˈaʊntɪŋ ænd klˌæsɪfɪkˈeɪʃən ʌv mjˈuːzɪkəl kˈɑːnstɹʌkts sˈʌtʃ ɐz kˈɔːɹdz, skˈeɪlz, ænd ɹˈɪðəmz.