When it comes to working with sound files it is a good idea to have the tempo of each song clear, which can be found out by means of the beats per minute (BPM). And to be able to find out the beats one of the best programs available is BPM Counter.
Simply select the folder and wait for the results.
This small free application is compatible with MP3 and WAV files. To find out the beats per minute of any group of songs you will only need to select the folder in which they are stored and wait for BPM to automatically calculate it.
Among the options offered by BPM Counter the user will find the possibility to show only MP3 or WAV files, to ignore any decoding problem that may occur or to add the BPM information directly to the ID3 tags of the MP3 files.
Therefore, if you want to find out the beats per minute of each song that you have stored on your computer, you only have to download BPM Counter.