http://www.yale.edu/ygc/ A chorus of ninety men and women dedicated to the performance of great choral music in a wide variety of styles. http://www2.aya.yale.edu/assocs/yac/ Yale Alumni Chorus consists of past members of the Yale Glee Club, Apollo Glee Club, and Freshman Chorus. http://www.math.mcgill.ca/fox/yellow.html An eclectic vocal ensemble of thirty-two voices. Québec, Canada. http://www.geocities.com/Vienna/Strasse/2652/ The choir's repertoire includes a variety of a-cappela works: folk songs and classical pieces from the Renaissance, Baroque and Romantic periods as well as several modern works, along with a substantial selection of Israeli compositions. Yoav Region, Israel. http://www.yorksphilchoir.co.uk/ Established in 1953, and now performing 4 concerts per year in Wakefield Cathedral, Yorkshire, England.