ðə nˈɑːvəl sˈeɪkɹɪd hˈɑːɹts, ɐ stˈoːɹi ʌv nˈʌnz ɪn ɐn ɛŋklˈoʊzd kˈɑːnvənt ɪn sˈɪkstiːnθ sˈɛntʃɚɹi fɛɹˈɑːɹɹə, lˈɛd tə kəlˌæbɚɹˈeɪʃən wɪððɪ ˈɜːli mjˈuːzɪk ɡɹˈuːp, mjˈuːzɪkə sˈɛkɹɛɾə: ɐ θiːˈætɹɪkəl ˌædæptˈeɪʃən jˈuːzɪŋ ðə mjˈuːzɪk ʌvðə pˈiəɹɪəd ænd wɪð ɐ kwˈaɪɚ, pɚfˈɔːɹmd ɪn tʃˈɜːtʃᵻz ænd æɾ ˈɜːli mjˈuːzɪk fˈɛstɪvəlz ɚɹˈaʊnd bɹˈɪtən.
The novel Sacred Hearts, a story of nuns in an enclosed convent in 16th century Ferrara, led to collaboration with the early music group, Musica Secreta: a theatrical adaptation using the music of the period and with a choir, performed in churches and at early music festivals around Britain.