Music - What is an orchestra?

Bluebells were detectives this afternoon, learning all about what an orchestra is and what is in it! We learnt that an orchestra is a group of people who play instruments together. Normally they have four different families of instruments: string, woodwind, brass, and percussion. Kalina was a super spotter and found a drum and tambourine in the orchestra! We listened to some music and then took it in turns to be the conductor.