Question: Adam Sztaba is a Polish composer, music producer, conductor, arranger and pianist, which international star that's a Dutch pop and jazz singer?
Sentence (from "Adam Sztaba"): In July 2011 he was a music director of the concert on the occasion of the beginning of Poland's EU Presidency and performed with Chris Botti, Dolores O'Riordan, Michael Bolton and Kenny G.
Relevant evidence: No