AMADEUS is formed by vocalist SEIJI and keyboardist HIRON.
First demonstration live is held.
Soprano vocalist NENE begins as support vocalist.
V. SEIJI / K. HIRON (飛龍) / Support V. NENE
Bassist MIYU joins.
Tour, from LUDWIG no Shouzou (from ルートヴィヒの肖像), begins.
Soprano vocalist NENE officially joins.
V. SEIJI / V. NENE / B. MIYU (美優) / K. HIRON (飛龍)
Tour, from LUDWIG no Shouzou (from ルートヴィヒの肖像), final is held.
Official fanclub OVERTURE opens.
Tour, from Kasumi (from ), begins.
Self-sponsored event, Tengoku to Jigoku Vol.1 (天国と地獄 Vol.1), is held.
The band appears on the TV show PA PA PA PA PUFFY (パパパパパフィー), alongside several other bands including PLEIADES, VIRUSHANA (美流沙女), DAS:VASSER, ANGEL+DUST, overdose, Cellaid, L'yse:nore , I've, BIJOU.
Meiji Daigaku Sundaisai (明治大学駿台祭)
Tour final self-sponsored event, Tengoku to Jigoku Vol.2 (天国と地獄 Vol.2).
Fanclub-limited event, JAIAN・RECITAL Oo, Kokoro no Tomo yo Vol.1 (ジャイアン・リサイタル おぉ、心の友よ Vol.1), is held at Shinjuku ON AIR STUDIO.
Sponsored event, Tengoku to Jigoku Vol.3 (天国と地獄 Vol.3), is held.
Tour, 1999.SPRING AMADEUS JAPAN TOUR, is held.
Tour final oneman is held.
Self-sponsored event, Tengoku to Jigoku Vol.4 (天国と地獄 Vol.4), is held.
Fanclub limited live held at Shinjuku ON AIR STUDIO.
Self-sponsored event, Tengoku to Jigoku Vol.5 (天国と地獄 Vol.5), is held.
Tour final oneman held.
Sponsored event, Tengoku to Jigoku Vol.6 (天国と地獄 Vol.6), is held.
Oneman is held.
Oneman live held. An unknown gift is freely distributed to attendees.
Mitaka Geijutsu Bunka Center Hoshi no Hall
Sponsored event, Tengoku to Jigoku Vol.7 (天国と地獄 Vol.7), is held. An all-night event is held afterwards. An omnibus video is freely distributed to attendees of the all-night event.
Fanclub-limited event is held at Shinjuku ON AIR STUDIO.
Self-sponsored event, Tengoku to Jigoku Vol.8 (天国と地獄 Vol.8), is held.
Tour "DecadenceIIEAST" starts.
Tour final oneman held.
Fanclub-limited barbecue event held.
New CD release memorial oneman live held (their new album is sold in advance at this gig).
Shinsaibashi JEEZ
Self-sponsored event, Tengoku to Jigoku Vol.9 (天国と地獄 Vol.9), is held.
Oneman live held.
Tour final oneman live held.
Self-sponsored event, Tengoku to Jigoku Vol.10 (天国と地獄 Vol.10), is held.
Oneman live held.
Animal welfare charity oneman live held.
Self-sponsored event, Tengoku to Jigoku Vol.11 (天国と地獄 Vol.11), is held.
Self-sponsored event, Tengoku to Jigoku Vol.12 (天国と地獄 Vol.12), is held.
Sponsored event, Tengoku to Jigoku SPECIAL (天国と地獄SPECIAL), is held.
Oneman is held. A video is freely distributed to attendees.
Oneman is held. A video (the same as on 2001-03-24) is freely distributed to attendees.
Sponsored event, Tengoku to Jigoku Vol.14 (天国と地獄 Vol.14), is held.
Vocalists SEIJI and NENE secede after the live, although this isn't announced until later.
It is announced via the band's fanclub, OVERTURE, that vocalists SEIJI and NENE had seceded at the band's previous live.
AMADEUS disbands
AMADEUS was a visual kei band. They were part of the tanbi kei subgenre. They were active from 1996 to 2001 and are now disbanded.