You use an arm vibrato, but I think you should add a hand vibrato to your repertoire - the piece needs to sound like an old man with lots of body, more relaxed'

Christian Tetzlaff gives a masterclass on Sibelius' Violin Concerto in D minor at the Buchmann-Mehta School of Music in March 2016.

Watch: Violinist Christian Tetzlaff on whether or not to practise scales

Watch: Christian Tetzlaff performs Mozart’s Violin Concerto no.4

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