YCAT winners over the years have included the Belcea Quartet , Leopold String Trio , the violist Philip Dukes , cellist Li-Wei Qin , double bassist Dominic Seldis and violinists So-Ock Kim , Laurent Korcia and Thomas Gould . YCAT alumni include the Belcea Quartet , Leopold String Trio , the violist Philip Dukes , cellist Li-Wei Qin , double bassist Dominic Seldis and violinists So-Ock Kim , Laurent Korcia and Thomas Gould .