To hear a song in a dream, denotes the longing of something or joy the one has, depending on the style of the music, as for example the slow songs would indicate the tranquility or longing the one is experiencing, but the bouncy and happy music brings happy emotions and experiences the one has. The dreamer should also pay attention to the lyrics of the song, as it could hide a very important message and meaning.
Songs dream meaning
Read more about dreaming of Songs in other dream meanings interpretations.