Ned Rorem wrote one of these for Gary Graffman, and Paul Hindemith wrote one of these pieces in four uninterrupted movements which did not receive its premiere until 2005, when it was performed by Leon Fleisher.  
Ned Rorem wrote one of these for Gary Graffman, and Paul Hindemith wrote one of these pieces in four uninterrupted movements which did not receive its premiere until 2005, when it was performed by Leon Fleisher.  Prokofiev's Opus 53 work in this subgenre, which its intended performer claimed to "not understand a single note of", was the fourth of of five works in its more general category, and the most famous one of these works was inspired by some Saint-Saens etudes and includes a "jazz episode" built from earlier themes.   Maurice Ravel was the most notable composer of, for 10 points, what pieces most famously associated with Paul Wittgenstein, keyboard virtuoso and accidental southpaw?
Ned Rorem wrote one of these for Gary Graffman, and Paul Hindemith wrote one of these pieces in four uninterrupted movements which did not receive its premiere until 2005, when it was performed by Leon Fleisher.  
{piano concertos} for the {left hand} (prompt {generously})