50357
History After playing numerous shows in the UK throughout 2007 , including an appearance at Glastonbury Festival , they were signed to Custard Records in 2008 and began work on their debut album with label owner and producer Linda Perry as well as playing a show at the Viper Room , in Los Angeles , California .
 Custard Records, Linda Perry, Viper Room, Los Angeles, California
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Custard Records, Linda Perry, Viper Room, Los Angeles, California