The sound of an orchestra is instantly recognisable – up to 100 musicians all playing together creates a mass of sound. Placement of those instruments around the orchestra is essential to create the right sound. Louder instruments are further away and quieter instruments are at the front.
Where are these instruments being played?
How many people are involved? How can you tell?
How are they making their sounds?
Describe how the vibrations were produced and then travelled to the microphone.