81453
Of equal importance is the TR-808 kick drum , an artificially pitch-downed or elongated bass drum sound sampled from Roland 's classic TR-808 drum machine , and a sound which has been subject to an enormous amount of experimentation over the years .
 organization: Roland
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Roland 
Answer:
 organization: Roland