This tool lets you slow down or speed up any song file without affecting its pitch which can be advantageous to any musician learning a new song. You can slow down and practice every chord change, lyric, and melody until you have it memorized.
Performing a song at a different tempo is a great way to make a popular song your own. You can make the song sound completely different or add a new dimension. Experiment with different tempos and see what works best for you.