Harry Rowe Shelley (1872-1947) was an American composer and music educator known for his contributions to the genre of popular music in the early 20th century. He gained recognition primarily for his work in the realm of Tin Pan Alley, a hub for songwriters and music publishers in New York City. One of Shelley's notable works is the song "The Girl I Love," which became popular during the 1910s. He also composed numerous other songs and worked on musical arrangements that contributed to the era's sound. His work often blended elements of traditional American folk music with the emerging popular music styles of the time. Shelley's impact on music lies in his ability to capture the sentiments and trends of his era, reflecting the cultural shifts occurring in the United States. His compositions helped lay the groundwork for future popular music, influencing subsequent generations of songwriters and composers in the evolving landscape of American music. Although not as widely recognized today, his contributions remain a part of the rich tapestry of early 20th-century American musical history.