Ab und Zu (established 1987) is a Norwegian jazz band, originally named "Anne Marie Giørtz Quintet" (1982–1987), and presenting music written by Ole Henrik Giørtz.
Ab und Zu (established 1987) is a Norwegian jazz band, originally named "Anne Marie Giørtz Quintet" (1982–1987), and presenting music written by Ole Henrik Giørtz. (en)