Fortunately, it also alters the pitch if you add the audio file to the Sounds project folder instead of the Music folder. (Otherwise, I wouldn't be able to make car racing games where the pitch of the car engine sound is constantly changing, which is essential in this type of games.)
But keep in mind that audio files in the Sounds project folder are loaded completely before playing, but files in the Music folder are streamed. This means if a music track is accidentally put in the Sounds folder, it would have to load completely before it can start playing. However, audio in the Music folder can start playing much more quickly since it is streamed, and also uses less memory for long tracks.