Dag Ivar Wiren (born September 15, 1955) is a prominent Norwegian musician known for his contributions to the genres of jazz and contemporary classical music. He is primarily recognized as a skilled pianist and composer. Wiren's work often blends elements of improvisation and structured composition, showcasing his versatility as an artist. Notable works include his albums "In Between" (1999) and "Distant Echoes" (2003), which feature a mix of original compositions and interpretations of jazz standards. His collaborations with various musicians, including prominent figures in the Norwegian jazz scene, have further enriched his artistic output. Wiren's impact on music is characterized by his innovative approach to jazz, integrating classical influences and emphasizing emotional depth in his performances. He is also involved in music education, sharing his expertise with emerging artists and contributing to the development of jazz in Norway. Through his recordings and live performances, Wiren has helped to elevate the profile of Norwegian jazz on the international stage, fostering a greater appreciation for the genre's diversity.