PersonalSoundtrack match music to pace

Here’s something both Nike and Apple could learn from – the PersonalSoundtrack is a small wearable computer that computes your walking or running speed, and will then choose an appropriate song from your music library to match your pace. The song’s speed will subsequently be adjusted in real-time in order to match the subtle variations in your gait, but an extremely obvious change in pace (when you’re trying to catch a bus, for example) results in a song change. We’re not sure how this technology actually works, but it will probably have something to do with the number of beats-per-minute in each song. The PersonalSoundtrack is currently in a prototype stage – are there any investors interested in bringing this to fruition?