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Making sounds with different pitches - Light and sound: Video playlist - BBC Bitesize
Using pieces of string to produce sounds with different pitches.
↗ https://www.bbc.co.uk/bitesize/topics/zk2pb9q/watch/zmg3rj6Using pieces of string to produce sounds with different pitches.
↗ https://www.bbc.co.uk/bitesize/topics/zk2pb9q/watch/zmg3rj6