Simplify the following text for a Grade 9 native English-speaking person.
Original: In 1905 the orchestra was renamed `` Theodore Thomas Orchestra '' and Frederick Stock became the conductor .
Simplified: The orchestra was renamed `` Theodore Thomas Orchestra '' in 1905 and today , Orchestra Hall still has `` Theodore Thomas Orchestra Hall '' inscribed in its faÃ ade . In 1905 , Frederick Stock became music director , a post he held until his death in 1942 .