4897
The group recorded lead singer Matt Thiessen making drum noises and played them with an electronic drum machine to record the song , blurring the lines between true a cappella and instrument use .
 person: Matt Thiessen
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: Matt Thiessen 
Answer:
 person: Matt Thiessen