2022
Gentle Voices TS
(Leesburg, FL, US)
Westerly Threshold Singers
(Westerly, RI, US)
2021
Casco Bay Threshold Singers
(North Yarmouth, ME, US)
Ballina Threshold Singers
(Ballina, Australia)
2020
Haven Threshold Choir
(Bellingham, WA, US)
Maleny Vigil Threshold Singers
(Maleny, Australia)
(Wageningen, Netherlands)
Serenity Threshold Singers of Southeastern Pennsylvania
(West Chester, PA, US)
Stockholm Bedside Singers
(Stockholm, Sweden)
Providence Threshold Singers
(Providence, RI, US)
Heart of Oregon Threshold Singers
(Bend, OR, US)
Rockbridge Area Threshold Singers
(Lexington, VA, US)
Crystal Lake Threshold Singers
(Beulah, MI, US)
2019
Sutter Care at Home Threshold Singers
(San Francisco, CA, US)
Crestone Threshold Singers
(Crestone, CO, US)
Columbia Gorge Threshold Singers
(Hood River, OR, US)
Fort Wayne Area Threshold Singers
(Fort Wayne, IN, US)
(South Brent, United Kingdom)
Threshold Singers of Wake County
(Raleigh, NC, US)
Greater Lafayette Threshold Singers
(West Lafayette, IN, US)
Kamloops Threshold Singers
(Kamloops, Canada)
Oaxaca Canta
(Oaxaca, Mexico)
Gunnison Valley Threshold Singers
(Crested Butte, CO, US)
2018
Kenosha Lighthouse Threshold Singers
(Kenosha, WI, US)
Voices of Compassion TC
(Edmonton, Canada)
Song of the Mountain TS
(Colorado Springs, CO, US)
Toronto Threshold Singers
(Toronto, Canada)
Athens Threshold Choir
(Athens, GA, US)
Sail On Singers
(Marquette, MI, US)
Kitsap Threshold Singers
(Port Orchard, WA, US)
2017
Pure Joy Threshold Singers
(Campbell River, Canada)
TS of Richmond, Indiana
(Richmond, IN, US)
Meadow Vista TS
(Meadow Vista, CA, US)
(Westhampton Beach, NY, US)
Lehigh Valley TC
(Whitehall, PA, US)
Reflections TS of Christchurch
(Christchurch, New Zealand)
TC of West Wales
(Llangolman, United Kingdom)
Hospicare TC
(Ithaca, NY, US)
2016
Grand Valley TS
(Grand Junction, CO, US)
Chilkat Valley TC
(Haines, AK, US)
(Great Barrington, MA, US)
Alpine Voices TC
(Canmore, Canada)
2015
Dallas By Your Side Singers
(Dallas, TX, US)
(San Luis Obispo, CA, US)
Jennings Threshold Choir
(Garfield Heights, OH, US)
(London ENG, United Kingdom)
2014
2013
Pathways Comfort Singers
(Chesterfield, MO, US)
Brisbane TC
(Brisbane, Australia)
Bowen TS
(Bowen Island, Canada)
2012
2011
2010
HeartSongs TC of Stanwood/Camano
(Stanwood, WA, US)
2009
(Colorado Springs, CO, US)
Greater Hartford TC
(West Simsbury, CT, US)
(Sterling Heights, MI, US)
(Chapel Hill/Durham, NC, US)
Port Townsend TC
(Port Townsend, WA, US)
2008
2007
(Charlottesville, VA, US)
2006
2005
Aromas TC
(Aromas, CA, US)
(Glen Ellen/Sonoma, CA, US)
2001
2000