to produce musical sounds with the voice

गाना

English Usage: He loves to sing songs during the concert.

Hindi Usage: उसे कॉन्सर्ट के दौरान गाना पसंद है।

a song or tune

गीत

English Usage: She enjoys singing songs in the shower.

Hindi Usage: उसे बाथरूम में गीत गाना पसंद है।