Structure
The structure of a piece of music can be described in terms of its basic elements, such as melody, harmony, rhythm, and form. The melody is the main tune of a piece of music, while the harmony is the combination of chords that accompanies the melody. The rhythm is the pattern of beats and accents in a piece of music, and the form is the overall structure of a piece of music, such as verse-chorus-bridge-chorus.
Timbre
The timbre of a sound is determined by the combination of frequencies that make up the sound. Each sound has a unique timbre that distinguishes it from other sounds. For example, the sound of a violin is different from the sound of a guitar, even if they are both playing the same note.
The timbre of a sound can be affected by a number of factors, such as the instrument or voice that produces the sound, the materials used to make the instrument, and the environment in which the sound is produced.
How structure and timbre affect the way sound starts and stops
The structure of a piece of music can affect the way it starts and stops by determining how the different elements of the piece are arranged and connected. For example, a piece of music with a clear and concise structure may start and stop more abruptly than a piece of music with a more complex and extended structure.
The timbre of a sound can also affect the way it starts and stops by determining how it blends in with the surrounding sounds. For example, a bright and piercing sound may start and stop more abruptly than a dark and mellow sound.
In general, structure and timbre are two important musical concepts that can affect the way sound starts and stops. By understanding how structure and timbre work, musicians can create pieces of music that sound engaging and interesting.