Refer to the passage below and then answer the question afterwards in the same language as the passage:

Passage: Whenever Muhammad was present or very close by, his presence was indicated by light organ music. His words, as he spoke them, were repeated by someone else such as Hamza, Zayd or Bilal. When a scene called for him to be present, the action was filmed from his point of view. Others in the scene nodded to the unheard dialogue or moved with the camera as though moving with Muhammad.

Question: What kind of music indicated the presence of Muhammad?
light organ music