C7 (musical note)

C7 is a musical note in the seventh octave of the standard piano range. It has a very high pitch, often compared to a bright, piercing sound, and is typically used in classical, jazz, or orchestral music to add brightness or to represent the upper limits of human hearing. In terms of frequency, C7 vibrates at approximately 2093 Hz, making it one of the highest notes on a standard piano. It sounds distinctly sharp and clear, often used for melody lines or special effects in compositions.