Mario's 'Who' stands as a defining track from his 1993 debut album, 'Mario,' which launched his career in the English-language hip-hop scene. Released during the height of the East Coast rap boom, the song showcases Mario's smooth vocal delivery and introspective lyricism, distinguishing him from his peers with a more melodic approach. The track explores themes of identity and self-perception, resonating with listeners who appreciate thoughtful storytelling over aggressive bravado. As a cornerstone of his early discography, 'Who' helped establish Mario's reputation as a versatile artist capable of blending traditional rap structures with soulful elements, influencing a generation of rappers who prioritized vocal nuance and emotional depth.