Renown Ballerina Alexandra Koltun, star of the Kirov Ballet, Boston Ballet, Deutsche Oper am Rhine, Bavarian State Theater, a former faculty member of Miami City Ballet and Artistic Director of Royal Ballet School of Antwerp, Founding Artistic Director of Koltun Ballet Academy and Boston International Summer Intensive. In collaboration with Elena Baliakhova former principal accompanist with the Kirov Ballet and currently with Boston Ballet, Alexandra has created a unique classical intermediate/advance ballet music CD that will make your ballet class full of inspiration and it will enrich you throughout every combination.? FITTING GUIDE: Intermediate/Advanced Ballet CD.