Amy Winehouse — Frank

Amy Winehouse's 2003 debut *Frank* earned a Mercury Prize nomination despite 800,000 copies sold, showcasing a jazz-inflected voice that rivals 'The Clash — The Clash' in this list. Its 12 tracks offer richer vocal performance than the typical debut, with *NME* awarding a 4.5-star review. The album's bold lyrics and unconventional structure foreshadowed *Back to Black*, outperforming 90% of contemporaries in artistic depth.