Or this are unpleasant
We call these sounds noises
Noise [2x]
The sounds to which our ears respond
May be classified as either music or noise
The sound of a harp
The sound of a bird
Listen as we hit two blocks of wood together
We call these and other sounds
That have definite pitch, loudness and tone qualities
Musical sounds
[...]
Musical sounds maybe consider noise
Music or noise
Listen to the unusual sounds
Commonly considered to be noises
That are incorporated in this piece of music
Music
Noise
Music or noise
Music
Music or noise