TED-Ed Music videos: (on youtube)
https://www.youtube.com/playlist?list=PL7xW3ScpVFqpfT7an-ThCUFRwOQI58ntu&fbclid=IwAR3thbpqxLazR7PxJ375DISUn60kg7QFYrKDWr6kU6iMn-hdIG3p-tRaV8I