The resources in timbre are also quite limited, as the piece is composed for a single instrument. The piano is a great instrument with regards to dynamic range, but not quite as versatile in terms of timbre. The problem that springs from these limitations, especially the first, is how to fulfil the needs of a musical composition to provide enough variety so that the music would engage the listener, have forward momentum, and contain a sense of tension and resolution, which is fundamental for musical syntax.
As with many musicians, coffee is a necessity to do what we do, most often nocturnally. I’ve lost count of both the number of late-night performances and studio sessions I’ve done over the years and iced coffees (my saving grace) that have helped me make it through long nights.