Question: Aleksandr Yurievich Domogarov is a singer in a musical genre whose songs are bsed on themes of the ubran underclass and what?
Sentence (from "Russian chanson"): Russian chanson (Russian: Русский шансон , "Russkiy shanson" ; from French "chanson") is a neologism for a musical genre covering a range of Russian songs, including city romance songs, author song performed by singer-songwriters, and Blatnaya Pesnya or "criminals' songs" that are based on the themes of the urban underclass and the criminal underworld.
Relevant evidence: Yes