John Wozniak is an American singer-songwriter best known as the lead vocalist and guitarist of the alternative rock band Marcy Playground. Formed in 1997, the band gained prominence with their self-titled debut album, which included the hit single "Sex and Candy." Released in 1997, this track became a defining song of the late 1990s, reaching No. 1 on the Billboard Modern Rock Tracks chart and earning significant airplay on radio stations. Wozniak's musical style blends elements of alternative rock, post-grunge, and pop, characterized by introspective lyrics and melodic hooks. Following their debut, Marcy Playground released several albums, including "Shapeshifter" (1999) and "MP3" (2009), though none reached the commercial success of their first. While Wozniak may not be a household name today, his work with Marcy Playground contributed to the soundscape of 1990s alternative rock and influenced a generation of musicians. His songwriting reflects a blend of personal experience and broader themes, resonating with listeners and earning a lasting place in the genre's history.