The War On Drugs, seen here performing live on KEXP, supplied several of public radio's most popular songs this year. Dave Lichterman/KEXP hide caption

itoggle caption Dave Lichterman/KEXP

Jason Derulo's "Want to Want Me" seems poised to be one of the songs of summer 2015. Brian Bowen Smith/Courtesy of the artist hide caption

itoggle caption Brian Bowen Smith/Courtesy of the artist

The Songs Of The Summer, 1962-2015

Revisiting the earworms of summers past will likely bring back sunny memories, as well as groan-inducing moments of "What was I thinking?"

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The Freedom Singers make several appearances in our mix of songs inspired by the civil rights movement — a collection that ranges from 1963 to the present day. Joe Alper hide caption

itoggle caption Joe Alper

Marvin Sapp performs at the How Sweet the Sound national gospel competition September 29 ,2008 in Chicago, Illinois. Tasos Katopodis/Getty Images hide caption

itoggle caption Tasos Katopodis/Getty Images