Hauptharmonie

 was a Japanese idol group formed in 2014.

Their producer DJ O-ant a.k.a Early Shan lived in Germany as a foreign exchange student, which is why the titles of some songs are in german.

They disbanded on June 4, 2017.

Final Lineup

 * Aizawa Hikari (相沢光梨) (Original Member)
 * Terada Juno (寺田珠乃) (Original Member)
 * Kuraki Nanami (倉木七海) (Joined February 2016)
 * Hitohana Sui (一花寿) (Joined October 2016)
 * Shirogane Rin (銀りん) (Joined October 2016)

Former Members

 * Toyoda Saeka (豊田冴香) (Original Member, Left December 2014)
 * Igarashi Naru (五十嵐なる) (Original Member, Left June 2015)
 * Seto Yurina (瀬戸ゆりな) (Original Member, Left October 2015)
 * Aihara Emi (アイハラエミ) (Original Member, Left February 2016)
 * Ogawa Hana (小川花) (Original Member, Left May 2016)
 * Sena Lion (芹奈莉温) (Joined February 2016, Left February 2017)
 * Chigasaki Rico (茅ヶ崎りこ) (Joined February 2016, Left March 2017)

Albums

 * 1) [2015.07.08] Hauptharmonie
 * 2) [2016.07.16] Herz über Kopf

Mini Albums

 * 1) [2016.05.03] Bleich
 * 2) [2016.05.03] Abenddaemmerrung

Singles

 * 1) [2014.11.12] Freut mich! Wir sind Hauptharmonie ep.
 * 2) [2015.03.11] Japanische Mädchen Ska ep.
 * 3) [2015.07.17] erster Jahrestag ep.
 * 4) [2015.12.15] GOLDENBAUM ep.