In a sheet music of a Noh song (Utai-bon), ioriten is used at the beginning of a word when a part of each Noh player including Shite (a main actor of a Noh play), Waki (a supporting actor) and Jiutai (Noh chorus) starts.
謡曲本（謡本）においては、能職掌であるシテ、ワキ、地謡などの役割がかわるところで、語句の頭に使われる。