The composer, singer and conductor who lives in Basel, was born in Riga in 1975. He began his musical education in the choir school of Riga Cathedral. At the Music Academy Riga he obtained diplomas in conducting and composition. He studied singing in Basel and composition for film, theatre and media at the Zurich University of the Arts. His compositional horizons, however, extend far beyond the classical range, i.e. to blues, jazz, pop and musical. He wrote choral songs, two gospel fairs and cantatas, as well as a Christmas Oratorio, premiered in 2016 in Basel. Grigalis is currently involved as a composer in the project "Symphonic rock opera Snowwhite".