Alanis Morissette is a Canadian-American singer-songwriter known for her emotive mezzo-soprano voice and confessional lyrics. She garnered international fame with her 1995 album "Jagged Little Pill," a fusion of rock, pop, and post-grunge, which became a touchstone of alternative rock in the 1990s. Her raw, introspective songwriting, often dealing with themes of love, trauma, and spirituality, has made a significant influence on the singer-songwriter tradition. Morissette's work has earned her multiple Grammy Awards, showcasing her impact on the music industry.