Amy Winehouse was a British singer-songwriter known for her deep, expressive contralto vocals and eclectic mix of musical genres including jazz, soul, and reggae. Rising to international fame with her 2003 debut album "Frank" and achieving massive success with her 2007 album "Back to Black," she became one of the most distinctive voices of her generation. Her retro style, honest songwriting, and incredible talent left an indelible mark on music before her tragic passing in 2011.