| Hiroyuki Hayashi|
| Mezame No Hakobune|
| Masashi Yano, Eisuke Sako, Junichi Sugai, Mamoru Oshii, Fumi, Kaneko Shingo, Kayo, Kenji Kawai|
Now Is the Time!, Hey! Bob! My Friend!, Polysics or Die!!!!, 15th P, For Young Electric Pop
Polysics (Since 1997)
Hiroyuki Hayashi (musician) Wikipedia
Hiroyuki Hayashi (ハヤシヒロユキ, Hayashi Hiroyuki, born August 8, 1978 in Tokyo, Japan) is the founder, guitarist, and lead singer of the Japanese new wave rock group, Polysics. He occasionally works as a remix artist under the alias POLY-1. He is known for having very energetic live performances.