they were formed in the late 1970s at the suggestion of the a&r division of the yamaha music foundation. after the hit single " (banri no kawa)" in 1980, they produced several hits irregularly throughout the 1980s. from 1989 to 1997, chage had a parallel project called multimax, a band he formed with guitarist and multi-instrumental master keisuke murakami (former the alpha member) and singer hiromi asai. they released seven singles, seven albums, two videos and did some tours. aska has conducted a solo career since 1987.