When your mouth stays open while you watch because your eyes can no longer follow the nimble fingers, when sounds go straight to your heart, when, like at the recent concert on Saturday evening in the Haus der Musik, you are presented with so much solo skills… then you will undoubtedly have experienced a superlative evening of music […] And what Julian Kainrath produced from his violin during Sarasate’s gypsy tunes was almost breathtaking.