1) Shin is hardcore punk band from Zagreb, Croatia.
http://shinhardcore.bandcamp.com/
http://www.facebook.com/shinhardcore
2) Shin is an alias for dj and producer Stephan Hinz
3) Shin is a Chinese rock band, that recently split up. Their former lead singer, recently released his own album.
4) Shin is a Japanese singer. He was the singer of the Japanese visual kei band ViViD, that disbanded in 2015. He has since been focusing on his solo career.