He is best known for his Piano Concerto in A minor , for his incidental music to PERSON@1 's play Peer Gynt -LRB- which includes Morning Mood and In the Hall of the Mountain King -RRB- , and for his collection of piano miniatures Lyric Pieces .

He is best known for his Piano Concerto in A minor and for his incidental music to PERSON@1 's play MISC@1 which includes movements called Aubade and In the Hall of the Mountain King .
