Was born in the beginning of 1950ies in Sibiria, where his family was deported in 1949. He first set foot in his native Latvia only when he was about 10 years old. His family moved not far from the small town of Kuldiga, where he started his musical education. After that he studied in the Ventspils middle school for music (oboe and vocal) and after that - Riga conservatory.
Sprogis was a highly regarded soloist of the Latvian National Opera till the mid-1990ies, and frequently sang in such musical genres as requiems, odes and so on.
Since his childhood he liked songs and light music and in the mid-1990ies decided to leave opera and start recording lighter repertoire.