GRAND SLAM (グランドスラム) forms.
V. 加藤純也 / G. 白田一秀 / B. 吉川裕視 / D. 豊川義弘
GRAND SLAM become a major act and joins ALFA.
Drummer 豊川義弘 leaves, and is then replaced by 北岡シンキ.
Drummer 北岡シンキ leaves, and GRAND SLAM are dropped from ALFA at around the same time. GRAND SLAM then go on as an indies act, and as a trio.
V. 加藤純也 / G. 白田一秀 / B. 吉川裕視
GRAND SLAM officially disbands
GRAND SLAM was a non-vkei band. They were active from 1989 to 1997 and are now disbanded.