Feist's sonic impact could be heard immediately beyond her own releases, across myriad genres. But a particular array of women have mined her distinct sound for its husky, country-soaked charm (Angel Olsen, Marika Hackman), its lyrical whimsy (Regina Spektor, Courtney Barnett), and its chart-smashing pop pedigree (Ellie Goulding, Lykke Li).