Yiannis Mihelinakis (a.k.a. Lego Boy) began his musical career in 1995.
A member of Cosmic Sound and founder-member of DownTempo Productions, Yiannis has worked as a radio producer and participated in various other artists' albums.
He won several merits in music competitions. He has also worked as music supervisor in theatrical plays.
Yiannis released his first single in 2000 and has since been producing his music.

Since then he has released a number of albums, compilations, personal EP's and remixes. His work has been included in international compilations with the participation of celebrated artists.