Bass_4 Quartet is a project of four young musicians who aim to blur the boundaries between classical and popular music. The quartet was formed in 2022 and is the only double bass quartet in Lithuania. The reason for the formation was the desire to break standards, to promote and show the uniqueness of the double bass - it is most often heard with an orchestra, but it is also a wonderful solo instrument, with a lot of sound colours, rich timbres and extraordinary possibilities.The members of the quartet - D. Rudvalis, A. Treznickas, D. Butkevičius and A. Kriščiūnas - are laureates of international competitions, soloists in various ensembles, participants in projects, performing symphonic and chamber music on Lithuanian and foreign stages.