sentence1: In 2015 it was named Philharmonie 2 as part of the Philharmonie de Paris when a larger symphony hall was built by Jean Nouvel and renamed Philharmonie 1 .
sentence2: In 2015 it was renamed Philharmonie 2 as part of the Philharmonie de Paris , when a larger Symphony Hall was built by Jean Nouvel and Philharmonic 1 was named .