Copying of files by the playlists of the ".m3u", ".pls" formats (also by any text files containing the list of files). You may switch on processing of ".mp3" only if you want. Copying of files with saving the structure of folders.
You wonder how to play a particular chord on the piano or how a particular scale looks like? With the program Piano Chords you can see many different chords and scales on a virtual piano keyboard. Thereby any key tone can be chosen, of course.
Generate white noise from your computer speakers. White noise is usually used as a sleep or relaxation aid. The software can be set to start and stop at specified times during the day.