You will be given a definition of a task first, then some input of the task.
Given an English sentence, convert it into the french language.

Gradually becoming more and more interested , from the early 1950s on he began to seriously investigate Mahler 's works and his life .
Output:
Il fut peu à peu de plus intéressé par Mahler et se mit à étudier sérieusement sa vie et son œuvre , , .