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The 1990 s brought a series of 32 concerts to the Royal Albert Hall , such as the 24 Nights series of concerts that took place around January through February 1990 , and February to March 1991 .
 Royal Albert Hall
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Royal Albert Hall