Morning Edition's series called One-Hit Wonders / Second-Best Songs focuses on musicians or bands whose careers in the United States are defined by a single monster hit, and explains why their catalogs have much more to offer.
In this installment, NPR Music's Ann Powers argues that Janis Ian, who won the Grammy for best pop vocal performance in 1975 for "At Seventeen," pioneered what we now consider the adult contemporary genre. Read Ann in her own words below, and hear the radio version at the audio link.