Charles Trowbridge Haubiel (1884–1947) was an American composer and pianist known for his contributions to classical music, particularly in the early 20th century. His work encompassed a variety of genres, including orchestral, chamber music, and vocal compositions, often blending elements of American folk traditions with European classical styles. Haubiel's notable works include his "Concerto for Piano and Orchestra" and various chamber pieces, such as his string quartets and sonatas, which reflect his innovative use of harmony and rhythm. He was also recognized for his song cycles and choral works, showcasing lyrical melodies and intricate textures. Beyond his compositions, Haubiel was a significant educator, teaching at various institutions, including the University of Southern California. He influenced a generation of musicians and contributed to the development of American classical music through his teaching and mentorship. While not as widely known today, Haubiel's impact on the American classical landscape is evident in how he helped bridge European classical traditions with American musical identity, paving the way for future composers in the 20th century. His dedication to both performance and composition left a lasting legacy in the realm of classical music.