Sean O'Hagan is an Irish musician, songwriter, and record producer, best known as the frontman of the band The High Llamas. His work is characterized by a blend of pop, jazz, and experimental music, often featuring lush arrangements and intricate melodies. O'Hagan has been influential in the indie music scene, particularly in the 1990s and 2000s, and is recognized for his unique sound that often draws from a variety of musical influences, including 1960s pop and Brian Wilson's work with The Beach Boys. In addition to his work with The High Llamas, he has collaborated with various artists and projects, further showcasing his diverse musical talent.