322139
Self has performed extensively in Los Angeles and internationally as a soloist , chamber musician , orchestral tubist , and , most notably , as a studio musician in the Los Angeles movie studios having appeared on over 1500 soundtracks .
 Los Angeles
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Los Angeles