What makes Not That Kind by Anastacia notable?

'Not That Kind' marked a significant commercial success, reaching number one in several countries and showcasing Anastacia's unique blend of genres. The title track not only became a club anthem but also solidified her position as a prominent figure in early 2000s pop music, earning her recognition at various award shows. Released on January 22, 2001, 'Not That Kind' was Anastacia's debut album, emerging after she gained attention for her powerful voice in the late 1990s. At this point, she was transitioning from a background singer to a solo artist, aiming to establish her identity in the competitive pop landscape.