Pop Tune is the 18th studio album by pop-punk trio Shonen Knife. It was released in Japan on June 6, 2012, and in early June in the U.S., U.K., and Europe. Along with lead guitar and main vocalist Naoko, the group's bassist, Ritsuko, provides the lead vocals for the song "Sunshine" and drummer Emi is the lead vocalist for the song "Psychedelic Life". "Osaka Rock City" was used as the theme song for the 2013 Japanese film Soul Flower Train.