"Soho, London, 1967. Folk-rock-psychedelic quartet Utopia Avenue is formed. Guitarist Jasper de Zoet, a shy, half-Dutch public-school musical prodigy, was hearing voices long before he dropped acid. Keyboardist Elf Holloway must defy the prejudices of her bank manager father, her housewife mother, and her age to forge her own career. Bassist Dean Moss cannot, will not, spend his life on the factory floor like everyone else in Gravesend. Band manager...

When Olivia learns that there will be no band at the evening's fireworks display, she decides to form one of her own, with herself as the only musician and some rather unusual instruments.

In the hip Brooklyn neighborhood of Red Hook, single dad and record store owner Frank (Nick Offerman) is preparing to send his hard-working daughter Sam (Kiersey Clemons) off to college, while being forced to close his shop. Hoping to stay connected through their shared musical passions, Frank urges Sam to turn their weekly "jam sesh" into a father-daughter live act. After their first song becomes an Internet breakout, the two embark on a journey...