Claim: Han de Vrieshas has toured Europe as a soloist and his recording with pianist Rudolf Jansen wan an Edison Award in 1973.
Evidence: As a soloist, De Vries has toured Europe, Japan, Australia, and North and South America, with a repertory of baroque, classical, romantic and contemporary music. He has made many recordings, one of which (of the oboe sonatas of Schumann, Bartók, Ben Haim, Poulenc and Shinohara with pianist Rudolf Jansen) won an Edison Award in 1973.