Tera de Marez Oyens (1932-2012) was a Dutch composer and pianist known for her contributions to contemporary classical music. She studied at the Royal Conservatory in The Hague and later in Paris, where she was influenced by prominent composers of the 20th century. Her music often blended elements of post-serialism with a unique lyrical style, integrating influences from various musical traditions. Notable works by de Marez Oyens include "Concerto for Violin and Orchestra" (1980), "Symphony for Wind Orchestra" (1985), and her chamber music pieces which showcase her innovative approach to instrumentation and form. She also composed works for solo piano and vocal music, contributing to the repertoire of contemporary Dutch classical music. De Marez Oyens was instrumental in promoting contemporary music in the Netherlands and served as a teacher and mentor to many young composers. Her impact on the music scene extends beyond her compositions; she played a vital role in advocating for women in music and elevating the status of Dutch composers internationally. Through her work, she left a lasting legacy in the realm of contemporary classical music.