Hibla Gerzmava celebrated anniversary with friends and colleagues-Maestro Vladimir Spivakov and National Philharmonic Orchestra, pianist Denis Matsuev, soprano Anna Netrebko, tenor Yusif Eivazov, bass Dmitry Ulianov, bariton Igor Golovatenko, trumpeter Sergei Nakariakov, actress Chulpan Khamatova, composer Aleksandra Pahmutova, Lev Kontorovich and Masters of Choral Singing.