"On the Threshold of a Dream" is the fourth studio album by the British rock band The Moody Blues, released in 1969. The album features a blend of rock and orchestral music, showcasing the band's signature sound that combines poetic lyrics with lush instrumentation. It includes popular tracks like "Nights in White Satin," which became a defining song for the band. The album is notable for its exploration of themes such as love, dreams, and the passage of time. It reflects the band's interest in philosophy and spirituality, making it a significant work in the progressive rock genre.