500
In 2000 , Dark Symphonies released Believe which increased their exposure including performing at the Milwaukee Metal Fest , New Jersey Metal Fest and New England Metal Fest , magazine interviews including Metal Maniacs and radio air play .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None