In the school year of 1997/1998, Moscow Boys' Choir Debut was formed at secondary school № 644. Soon the choir became one of the most promising and professionally trained choir associations of the capital. That time the choir consisted of 21 choristers. In 2005, the Edinstvo Concert Choir was formed out of selected members of the Boys' Choir Debut and the young men choir Kadans. Just to name a few countries the choir has already traveled to Bulgaria, Poland, Germany, Austria, Italy and France. It has participated in lots of competitions and was awarded several prices. EldarAbasov serves as conductor of Moscow Boys' Choir Debut.