What makes #9 Dream by John Lennon notable?

#9 Dream reached number 9 on the Billboard Hot 100 chart, marking Lennon's continued success as a solo artist after The Beatles. The album's lush production and dreamlike quality have influenced numerous artists within the art rock and pop music scenes, solidifying its place in Lennon's discography as a significant work that captures his artistic evolution. By the time #9 Dream was released on January 31, 1975, John Lennon had established himself as a solo artist following his departure from The Beatles. This album came two years after his acclaimed record, Imagine, and showcased a more introspective and experimental approach in his songwriting, reflecting both personal change and artistic exploration during a transitional period in his life.