Planetarium (Ai Otsuka song)
2005 single by Ai Otsuka
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"Planetarium" (プラネタリウム, Puranetariumu) is Ai Otsuka's tenth single, which was released on 21 September 2005. The single had great success and became Otsuka's second #1 hit on the Oricon charts, selling 316,425 copies. In 2005, Planetarium sold 215,114 copies, making it the #41 best-selling single of the year.[1] However, it still charted into the next year and was the #99 best-selling single in 2006, selling 100,555 copies. Planetarium is her second best-selling single after "Sakuranbo."[2]
"Planetarium" was featured on Ai Otsuka's studio-album Love Cook. It was also used as an OST for the Japanese drama Hana Yori Dango.
Track listing
All tracks are written by Ai Otsuka.
| No. | Title | Arranger(s) | Length |
|---|---|---|---|
| 1. | "Planetarium" | Ai×Ikoman | 5:10 |
| 2. | "Drop." | Ai×Ikoman | 4:28 |
| 3. | "Planetarium" (Instrumental) | Ai×Ikoman | 5:08 |
| 4. | "Drop." (Instrumental) | Ai×Ikoman | 4:25 |
| Total length: | 19:11 | ||
| No. | Title | Length |
|---|---|---|
| 1. | "Planetarium" (Music video) |
Certifications
| Region | Certification | Certified units/sales |
|---|---|---|
| Streaming | ||
| Japan (RIAJ)[3] | Gold | 50,000,000† |
|
† Streaming-only figures based on certification alone. | ||
