Violin 1, Violin 2, Viola, Cello Anton von Webern’s inspiration for The String Quartet (1905) came from the triptych, a painting by Giovanni Segantini. There are three distinct segments within the one-movement piece. One of the early Webern works discovered by musicologist Hans Moldenhauer after Webern’s death, String Quartet (1905) had its world premiere on May 26, 1962 during the First International Webern Festival in Seattle, Washington.