"Onkalo" is a maxi single released by the J-pop singer Eiko Shimamiya (ETB-0161). Released 21 June 2012, it is her first single after her retirement from I've Sound in April 2011. The single features two new songs; Onkalo and Unison.[1]
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| "Onkalo" | ||||
|---|---|---|---|---|
| Single by Eiko Shimamiya | ||||
| B-side | "To lose in amber -I'VE in BUDOKAN live ver.-" | |||
| Released | June 21, 2012 | |||
| Genre | J-Pop | |||
| Length | 12:01 | |||
| Label | ETB MUSIC | |||
| Eiko Shimamiya singles chronology | ||||
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