Out of musicians Damon Albarn and Ryo Kawakita who is involved with more musical groups?
Damon Albarn:  He is the lead singer of the British rock band Blur and co-founder, vocalist, instrumentalist, and principal songwriter of the virtual band Gorillaz. Ryo Kawakita: Ryo Kawakita (川北 亮 , Kawakita Ryō , born December 13, 1978) , also known as Maximum the Ryo (マキシマムザ亮君 "Makishimamu Za Ryō-kun"), is the guitarist, songwriter and singer of Japanese metal band Maximum the Hormone.
i don't know