Haisuinonasa (ハイスイノナサ) is a band from Tokyo whose songs are influenced by post-rock, math rock, experimental rock, electronic, and minimalism.
The band was formed in 2004 by Yoshimasa and Atsumasa Terui, with Ai Kamano later joining in 2005. They released their first 1st mini album "About Town" in 2009 with the lineup that follows:
Ai Kamano (vocal), Yoshimasa Terui (guitar), Atsumasa Terui (bass), Tomoyuki Tamura (key), Keisuke Nakamura (drum). This lineup stayed consistent until Tamura departed in early 2012.

History:
-In 2012, Tamura withdrew
-In 2015, Moriya joined
-In February 2016, Kamano withdrew.
-On January 19, 2017, it was announced that four new members will be added to the live performance at Shibuya WWW, and that they will be active in a group of eight.
-Currently in hiatus

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