4146
In 1941 he joined the London Philharmonic Orchestra After a season as principal trumpet with the BBC Symphony Orchestra he returned in 1946 to the London Philharmonic , where he remained until 1948 , leaving to become a full-time composer .
 organization: London Philharmonic Orchestra; organization: BBC Symphony Orchestra; organization: London Philharmonic
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 organization: London Philharmonic Orchestra; organization: BBC Symphony Orchestra; organization: London Philharmonic