Alexander Sojnikow (spelled "Soynikof") belongs to the St. Petersburg school of composers.
In 1975 he graduated from the Rimsky-Korsakov Conservatory (the class of Professor A.D. Mnazakanjan) and was in 1980 included in the Composers' Union.

In his work he performs in various genres, styles and directions in which contemporary music is so rich. In addition to large symphonic and choral works, operas, ballets, music for theater and cinema, he composed pieces for chamber orchestra and individual instruments, songs and music for children. His works are performed in many russian and european cities.