The song called 'Oh Jah Jah' was premiered by the singer-actor on January 8 ahead of its iTunes debut on January 27 via the world's biggest reggae record label VP Records.
"Police in the street shooting down black babies. Glory hallelujah for the young and the innocent," he sings in the song.
Murphy earlier revealed in an interview that he had never stopped making music in the past 20 years. He added that he had numerous unreleased songs including collaborations with other musicians.
