* Loudness: The intensity or volume of a sound.
* Pitch: The highness or lowness of a sound.
* Timbre: The quality or tone of a sound.
* Duration: The length of a sound.
* Attack: The way a sound begins.
* Decay: The way a sound fades away.
* Sustain: The way a sound holds its volume.
* Release: The way a sound ends.
* Harmony: The pleasing combination of two or more sounds.
* Dissonance: The unpleasant combination of two or more sounds.
* Melody: A series of notes played in succession.
* Rhythm: The pattern of beats and rests in music.
* Tempo: The speed at which music is played.
* Dynamics: The variation in volume in music.
* Articulation: The way notes are played or sung.
* Expression: The way music is performed to convey emotion.