From Los Angeles, California

From last.fm:

IO Echo is an indie rock duo formed in Los Angeles, USA, and consisting of Ioanna Gika (vocals, guitar, piano, koto harp) and Leopold Ross (bass, programming). For live performances, Gika sings, Ross plays guitar, and they have additional musicians for bass, keyboards and drums. Regarding the band name, Ross said that "Io is short for Ioanna, and Echo we chose for its sonic compatibility". According to Ross: "We were introduced by a friend. Read more about IO Echo on Last.fm.