Klaziena "Ina" Boudier-Bakker (1888–1966) was a notable Dutch composer and pianist, recognized for her contributions to classical music in the early 20th century. Primarily known for her work in chamber music and vocal compositions, Boudier-Bakker's style is characterized by its lyrical melodies and intricate harmonies, reflecting the influences of both Romanticism and early modernism. Some of her notable works include "Sonate voor Piano en Viool" and various choral pieces that showcase her ability to blend traditional forms with innovative musical ideas. Boudier-Bakker was also involved in music education, significantly impacting the development of music pedagogy in the Netherlands. Although her work was somewhat overshadowed by her contemporaries during her lifetime, Boudier-Bakker has since gained recognition for her contributions to the repertoire of Dutch classical music. Her commitment to both composing and teaching has inspired generations of musicians, particularly women in the field, highlighting the importance of diversity in the classical music canon. Her legacy is gradually being rediscovered, with a renewed interest in her compositions and their place in the history of 20th-century music.