Mechanical vibrations (such as a vibrating piano string) cause sound. ... In order to appreciate how small a difference in frequency this is you need only realise that middle C differs from C sharp (the black piano key immediately to its right of C) by more than 5%. ... The timbre of an instrument is dependent on the faint notes within a note, these are referred to as harmonics. Harmonics vary note to note but always have the same frequency. ... The red line represents a "perfect- or "pure- sine wave playing a certain note. ...

• Word Count: 830
• Approx Pages: 3

In Attitudes, it starts out slow and the notes do not overlap. It starts to quicken and the notes then overlap. ... As the note's pitch gets lower, the speed becomes faster and it seems the note is going to fade but the last note is higher in pitch than the previous, giving the impression that it will return, which it does. ... In Ribbons, it starts out with one note at a time. Then the speed picks up and the notes on the piano seem to hang in the air longer. ...

• Word Count: 644
• Approx Pages: 3
• Grade Level: High School

In Attitudes, it starts out slow and the notes do not overlap. It starts to quicken and the notes then overlap. ... As the note's pitch gets lower, the speed becomes faster and it seems the note is going to fade but the last note is higher in pitch than the previous, giving the impression that it will return, which it does. ... In Ribbons, it starts out with one note at a time. Then the speed picks up and the notes on the piano seem to hang in the air longer. ...

• Word Count: 641
• Approx Pages: 3
• Grade Level: High School

Copland believes that all music has a certain meaning behind the notes. He also believes the notes constitute what the piece is saying and what the piece is about. ... This plane simply suggests music exists in terms of notes and their manipulation. ... Copland states that few composers are capable of writing down entire compositions without referring to a piano. ...

• Word Count: 512
• Approx Pages: 2
• Grade Level: High School