https://www.vimooz.com/2020/10/02/bill-brummel-can-you-hear-my-voice-nashville-film-festival/
https://www.bbc.co.uk/programmes/p085vt4z
https://folks.pillpack.com/this-voiceless-choir-shouts-loud-at-cancer/
https://pasadenaweekly.com/longtime-pasadena-resident-bill-brummels-documentary-explores-the-healing-possibilities-of-communal-singing/
https://www.curetoday.com/articles/regaining-their-voice-a-cancer-choir-finds-healing-together