Viuluvihko Violin Friends 1 sisältää duoja, trioja ja lyhyita kappaleita aloitteleville viulisteille. Vihkojen kappaleita on helppo harjoitella Youtube-videoiden avulla ja niihin on saatavilla säestysvihkot pianisteille. The author of the Violin Friends family, Lauri Hamalainen, works as the head teacher of the string departement in the Luoteis-Helsinki Music Institute in Helsinki, Finland. He has been teaching violin- and viola students with a special emphasis on chamber music. The Violin Friends family reflects happy ensemble playing and creates opportunities to practice and perform music together. The author has also a long experience about arranging and conducting string orchestras in Helsinki and Espoo. He is the founding member of Allegros String Quartet and Duo Humoresque.