Gurgul & Skaba Duo br br The duo specialises in all-time jazz and popular favourites, as well as less well-known pieces, waltzes, tangos and ballads. The artists’ charisma and expressive nature are revealed in their surprising interpretations based on improvisation. Their pieces are interestingly arranged, offering the audience the opportunity to rediscover popular hits. br br Marcin Skaba & Mateusz Gurgul br br http:.www.skrzypce.com.