1517
It is one of Rush 's best-known songs and a staple of both classic rock radio and Rush 's live performances , having been played on every concert tour since its release .
 organization: Rush; organization: Rush
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 organization: Rush; organization: Rush