The most important part of Giedrius Svilainis' oeuvre is sacred choral works, favoured by many choirs from Lithuania and abroad. Educated as a choirmaster and a composer, Giedrius Svilainis knows how to compose for choir, and writes expressive, colourful and effective works, often blending serious and popular music idioms. Among the most popular choral compositions
O quam tristis for mixed choir should be mentioned. The next trend in his music is original compositions for folk instruments as well as folk music arrangements, as since 2004 Giedrius Svilainis has been leading State Song and Dance Company Lietuva.