Mac pick: Tangerine!
In my iTunes library and on my iPod, I have two thirty-minute playlists. One is called “Energize” and contains songs ordered by increasing speed. The other, “Rest,” is ordered by decreasing speed and helps me fall asleep. These playlist are automatically created by my computer and are constantly changing. My computer does this using the BPM (beats per minute) field in the iTunes metadata. Normally, this requires manually determining and entering that information by hand for each song, but there’s a much, much easier and less time consuming way. More… »