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  1. Stream and listen to music online for free with SoundCloud

    Discover and play over 320 million music tracks. Join the world’s largest online community of artists, bands, DJs, and audio creators.

  2. Sound - Wikipedia

    The sound waves are generated by a sound source, such as the vibrating diaphragm of a stereo speaker. The sound source creates vibrations in the surrounding medium.

  3. Sound | Properties, Types, & Facts | Britannica

    Sep 13, 2025 · Sound, a mechanical disturbance from a state of equilibrium that propagates through an elastic material medium. A purely subjective, but unduly restrictive, definition of …

  4. Sound - The science of waves, how they travel, how we use them

    Jul 23, 2023 · An easy-to-understand introduction to the science of sound: what is sound, how does it travel, and how does it make music?

  5. The Science of Sound - NASA

    Sound waves are longitudinal waves that travel through a medium like air or water. When we think about sound, we often think about how loud it is (amplitude, or intensity) and its pitch (frequency).

  6. Physics Tutorial: Sound Waves and the Physics of Music

    This Physics Tutorial discusses the nature of sound, its characteristic behaviors, and its association with the operation of musical instruments. Attention is given to both the purely …

  7. What is sound?

    Mar 30, 2024 · Sound is produced when an object vibrates, causing the air particles around it to move in a wave-like motion. These vibrations travel through air, water, and solids, allowing us …