7803
After the release of the album , some critics and observers suggested that drummer Raymond Herrera had in fact used a drum machine , due to the often blistering speed and machine-like precision of the drumming , most notably on the bass drums .
 person: Raymond Herrera
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 person: Raymond Herrera