Britney Spears' 'Toxic' is often cited as one of the best-produced pop songs of the 21st century. Its unique sound comes from a high-pitched string sample from the 1981 Bollywood film 'Ek Duuje Ke Liye,' blended with surf-guitar riffs and electronic beats. Interestingly, the song was originally offered to Kylie Minogue for her 'Body Language' album, but she turned it down. Britney’s version became a massive global hit, earning her first-ever Grammy Award for Best Dance Recording. The music video, featuring Britney as a secret agent and flight attendant, is one of the most expensive and iconic videos of the decade. Music critics have praised 'Toxic' for its avant-garde production and for moving pop music toward a more experimental, electronic direction. It remains a fan favorite and a frequent inclusion on lists of the greatest pop songs of all time.