When Leopold Koželuch arrived in Vienna to follow his musical calling, he immediately understood that being a capable musician and composer was not enough to really get ahead.
How does it feel to play that passage of Liszt or that section of Schubert beautifully? Or the grandest measures of Bach? The tenderest Chopin? The most sensitive, haunting Debussy? To plumb the profoundest, most spiritual depths of Messiaen?