Rosenbaum graduated from the
First Pavlov State Medical University of St. Peterburg in 1974, Rosenbaum worked in the medical field for four years. His musical education consists of piano and choreography courses at a musical school. In 1968, while still a student, Rosenbaum started writing the songs for which he is famous. His early songs were for student plays, but he soon also wrote for rock groups and started performing as a singer-songwriter in 1983, sometimes under the pseudonym "Ayarov". In the 1980s, during the
Afghan war, he travelled to
Afghanistan several times to sing for the Soviet troops. He dedicated one of his most famous songs,
Black tulip, to the Soviet soldiers who participated in that war. ==Political career==