BOSTON (AP) – Buzz Aldrin walked on the moon 40 years ago. Now he’s celebrating with some moon tunes performed by the Boston Pops.

The 79-year-old retired astronaut was narrating a Thursday night performance of Gustav Holst’s “The Planets.” It accompanied a video suite by Emmy-nominated astronomer and visual artist Jose Francisco Salgado.

The show incorporated footage from NASA, the European Space Agency and historical illustrations from Chicago’s Adler Planetarium collection.

The celebration included ingalongs of the standards “Blue Moon,” “It’s Only a Paper Moon,” “Moon River” and “Fly Me to the Moon.”

Aldrin was the second man to walk on the moon.

, following Neil Armstrong after their Apollo 11 lunar module landed on July 20, 1969.