Danny O'Keefe is an American singer-songwriter known for his blend of folk, country, and rock music styles. He rose to prominence in the 1970s with his hit single "Good Time Charlie's Got the Blues", which has been covered by several other artists, highlighting his influence in the music industry. O'Keefe's signature style is marked by his introspective lyrics and distinctive guitar work. His contributions to the singer-songwriter genre, particularly in the folk-rock scene, have left a significant impact on contemporary music.