Mikhail Nikolayevich Baryshnikov (Russian: Михаи́л Никола́евич Бары́шников , Latvian: "Mihails Barišņikovs" ; born January 27, 1948), nicknamed "Misha" (Russian diminutive of the name "Mikhail"), is a Soviet and American dancer, choreographer, and actor.
Misha gave up his singing career to become a member of the Russian Dance Troupe.
The context does not mention that Misha was a singer nor that he had to give up anything in order to dance.