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Hour of Code®
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Music & Sound
Lesson 1: Introduction and Discovery
namespaces/google.engedu.csfirst/contents/Lesson-285644523152137151071533155889043923330
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4. Reflection
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namespaces/google.engedu.csfirst/contents/Lesson-285644523152137151071533155889043923330
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namespaces/google.engedu.csfirst/contents/Activity-127540902163844040051764324424054269873
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