On July 18, Colin plays the dual role of soloist and curator of the Festival of the Instruments — the first concert of this year’s Grafenegg Academy Orchestra. The performance includes Stravinsky’s Symphonies of Wind Instruments and Dumbarton Oaks Concerto, Bartók’s Music for Strings, Percussion and Celesta, and the Austrian premiere of Helen Grime’s sensational Percussion Concerto, composed for Colin in 2018…