LAMENT ~Yagate Yorokobi wo~

 (LAMENT~やがて喜びを~) is the seventh single by Yuuki Aira. It was released on July 21, 2010, and peaked at #64 on the Oricon single chart.

Single Information
The lead track LAMENT ~Yagate Yorokobi wo~ was used as the first opening theme for the anime The Legend of the Legendary Heroes.
 * Catalog Number: LACM-4732
 * Lyrics: Hata Aki (Track 1), Tadano Natsumi (Track 2)
 * Composition: Nijine (Track 1), TODA KOHEI (Track 2)
 * Arrangement: Nijine (Track 1), Baba Kazuyoshi (Track 2)

Tracklist

 * 1) LAMENT ~Yagate Yorokobi wo~ (LAMENT~やがて喜びを~)
 * 2) Reine (du) Lace
 * 3) LAMENT ~Yagate Yorokobi wo~ (INST)
 * 4) Reine (du) Lace (INST)