BPM (Beat Per Minute) detect

if you can add this optin. too detect song beat (tempo) and put it in tag


there is a freeware program bpmanalyzer that does the job for you.
BUT: you need MP3tag to strip the decimals as otherwise iTUnes does not read the bpms. And wmp displays ultrafast tracks with something like 63456 bpm.

exist Pistonsoft BPM Detector. he put bpm in tag, and u can sort songs in winamp by bpm.
is not bad to MP3tag have this option

Rapid evolution, mixshare will do this for you. Its free and it can detect a tracks key also.