Ernő Rapée, born in Budapest, Hungary, in 1891, was a versatile and influential figure in the world of music, serving as a conductor, composer, pianist, and author. With a career spanning the first half of the 20th century, Rapée made significant contributions to both classical and popular music. He is perhaps best known for his role as the maestro of the Radio City Music Hall orchestra and his work as a musical director for NBC and Warner Brothers. Rapée's compositions, such as the enchanting "Diane," have left a lasting impact on the music industry. His extensive list of over 10,000 pieces organized by theme showcases his profound knowledge and dedication to the art of music. Rapée's legacy continues to inspire musicians and enthusiasts alike, making him a notable figure in music history.