This is the mass Men's chorus of the Tokyo Chorus Alliance Koyukai, a collective of choral groups led by Ko Matsushita, established in 2013.

They have performed their voices at Koyukai concerts and the Karuizawa International Choral Festival.

They are offering large-group, high-level men's choral performances.

If you would like to join this choir, please join one of the other choirs listed on this website (both mixed and male choirs are welcome).