who sang it's a new day originally
From Wikipedia, the free encyclopedia. . One Day  is a song by Jewish reggae singer Matisyahu, first released in 2008, his first single since Jerusalem (Out of the Darkness Comes Light) . The song was also included as a last-minute addition to Matisyahu's album Light. One Day  is a song by Jewish reggae singer Matisyahu, first released in 2008, his first single since Jerusalem (Out of the Darkness Comes Light) .