Conversation so far:
Where did Olivier Messiaen grow up?
Olivier Messiaen was born on December 10 in 1908 at Avignon, France.
Who were Olivier Messiaen's parents?
Olivier Messiaen is the son of Cécile Sauvage, a poet, and Pierre Messiaen, a teacher of English.
How many siblings did Olivier Messiaen have?
Olivier Messiaen was the elder of two sons.
Where did Olivier Messiaen attend school?
Where did Olivier Messiaen study?
Olivier Messiaen entered the Paris Conservatoire in 1919, aged 11 and studied music.
Who did Olivier Messiaen study with in his youth and early career?
After studying with Maurice Emmanuel, Olivier Messiaen was awarded second prize for the history of music in 1928.
Did Olivier Messiaen have any significant achievements during his youth?
Olivier Messiaen gained first prize in organ playing and improvisation in 1929.

Question: Did he have any other notable experiences?
Self-contained rewrite: Did Olivier Messiaen have any other notable experiences besides gaining a first prize in organ playing and improvisation?