Leonard Slatkin leads the Detroit Symphony Orchestra at the Spring for Music festival at Carnegie Hall. Torsten Kjellstrand/for NPR hide caption

itoggle caption Torsten Kjellstrand/for NPR

Yannick Nezet-Seguin leads the Philadelphia Orchestra, in concert at Carnegie Hall. Torsten Kjellstrand/NPR hide caption

itoggle caption Torsten Kjellstrand/NPR

Conductor Gustavo Dudamel leads his forces through a vibrant opening-weekend performance of Stravinsky, Stucky and Ravel on Sept. 30, 2012. Greg Grudt/Mathew Imaging/courtesy of the Los Angeles Philharmonic hide caption

itoggle caption Greg Grudt/Mathew Imaging/courtesy of the Los Angeles Philharmonic

Daniel Hope occupies his time performing, recording, writing, shooting videos and running music festivals. Frank Stewart /Savannah Music festival hide caption

itoggle caption Frank Stewart /Savannah Music festival