[1] Since Bernstein also wrote another composition for piano on the occasion of Mildred's birthday one year later which was entitled Music for the Dance No.
[2] After completion and possible subsequent revision, the manuscript was abandoned and rediscovered many years after the composer's death in the Leonard Bernstein Archive at the Library of Congress.
Since the manuscript of this piece was found untitled in the archive, Non troppo presto takes its title from the tempo marking at the beginning.
[1][3] Non troppo presto has a rhythmically marked character where two-part textures largely predominate.
[3] Given the fact that Non troppo presto was published relatively recently, recordings are not very well known and are typically released within cycles of complete music for piano by Bernstein.