Jack and Eliza (also called Jack + Eliza) is an alternative rock band formed in New York City in 2012, consisting of childhood friends Eliza Callahan and Jack Staffen.[1][2] Callahan and Staffen both started playing music when they were young, but began songwriting together in high school.[3][4] Their music has been compared to the sunshine pop and surf music of the 60s and 70s and self-described as "naked pop.”[5] In 2017, the duo formed a new musical group, Purr.[6]