Answer: during the twelfth and thirteenth centuries.
Explanation: The first large body of secular songs that survives in decipherable notation was composed <u><em>during the twelfth and thirteenth centuries</em></u>. These secular songs were composed by French nobles who were called troubadours and trouveres. The troubadours came from southern France and the trouveres came from northern France.
The Cinema of France. Hope it helps