From 2005 to 2009 he served as chairman of the Philadelphia Orchestra.

All three stage works have been performed by the Philadelphia Orchestra.

He made his debut at 13 with the Philadelphia Orchestra.

They were for 25 years subscribers to the Philadelphia Orchestra.

Before that she had served as assistant to the executive director of the Philadelphia Orchestra.

He remained with the Philadelphia Orchestra until his retirement in 1963.

But the subject is a tender spot for officials of the Philadelphia Orchestra.

In 1991, he announced his resignation from the Philadelphia Orchestra at the end of the 1991-1992 season.

It was time (forgive me) to give the Philadelphia Orchestra the floor.

Its wish list seems hardly different from that of the Philadelphia Orchestra, which is also in the search process.