Planetarium (Bump of Chicken song)

Planetarium is a song by the Japanese rock band Bump of Chicken, released as a single on July 7, 2005. It is the band's tenth single and was used as the theme song for the Japanese television drama "Anego."

The song's lyrics, written by Motoo Fujiwara, explore themes of longing, loss, and connection through the imagery of stars and the night sky. The title, "Planetarium," alludes to a place where the stars are projected, allowing for a simulated experience of observing the cosmos. This metaphor can be interpreted as a representation of memories, dreams, or idealized versions of reality.

"Planetarium" is characterized by its melancholic melody and Fujiwara's emotive vocals. The instrumentation is typical of Bump of Chicken, featuring guitars, bass, drums, and occasional keyboard elements that contribute to the song's atmospheric sound.

The single was a commercial success, reaching number one on the Oricon charts in Japan and solidifying Bump of Chicken's position as one of the leading rock bands in the country. The song remains a popular and enduring track in their discography. It is often performed at their live concerts and continues to be featured in various media. The accompanying music video further reinforces the song's themes of separation and remembrance, depicting scenes of characters interacting with celestial imagery.