विचारों
1:55
Properties of Sound Waves Lesson Loudness Pitch and Quality
3:54
What is Sound? | The Dr. Binocs Show | Learn Videos For Kids
2:27:30
Classical Music for When You’re on a Deadline
3:00:01
Concentration music for writing essays and reports I concentration music for working fast
3:01
4 Sound Science Experiments for Kids
7:13
Characteristics of Sound | Pitch, Loudness and Quality | Physics
2:26
Basic Dynamics in Music | Music Theory Tutorial
12:43
Period, Frequency, Amplitude, & Wavelength - Waves