Label name of "Billy?" is changed name to "TestToneMusic".
Kikuchi Yukinori is formed "Billy?" in 1993.
"Billy?" is done gig with many inside and outside artists, noise, free music, electronic, experiment music.
"Billy?"was released several CD from overseas labels.
member are Kikuchi Yukinori, Ishigami Kazuya, Tkagi Hirokazu, Usami Tadashi, Miyazaki Testuya, Hirao Yoshikzau.
present member are Kikuchi Yukinori, Ishigami Kazuya, Tkagi Hirokazu.
TestToneMusic has copyright and publishes of ”funny moods""rhizome""crinamen""calego".