Stephen Thomas Erlewine, allmusic.com, AllMusic, https://www.allmusic.com/artist/bj%C3%B6rk-mn0000769444/biography. URL consultato il 21 maggio 2021.
«During 1990, Björk recorded a set of jazz standards and originals with an Icelandic bebop group called Trio Gudmundar Ingolfssonar.»