A computer screen displaying a variety of musical notation and editing tools. The screen is divided into multiple sections, each with different functions. The top left section shows a waveform editor with a blue waveform and a red waveform overlay. The top right section displays a frequency spectrum analyzer with a blue line indicating the frequency. The bottom left section contains a piano roll editor with musical notes represented by red lines. The bottom right section shows a piano keyboard with notes highlighted in red. The overall layout suggests a music editing or composition software interface.