The amped-up, hooky confessions of Alanis Morissette's Jagged Little Pill reframed pop's possibilities. Fiona Apple gave her likewise cutting, diaristic lyrics a jazz-influenced accompaniment; St. Vincent shows off her shredding capability in a female-forward update of Dave Navarro's licks on “You Oughta Know.” Post-millennial pop in the hands of Katy Perry or Regina Spektor has Morissette's disarming honesty and overflowing passion embedded in its DNA.