Using music while exercising has proved crucial to my regular attendance at the gym. Strangely, music that most motivates me while on the elliptical trainer or treadmill (e.g. vintage Rolling Stones, Oysterband, Talking Heads, David Bowie, Lennie Kravitz) is not the music I would care to listen to at any other time (Sarah MacLaughlin, Sting, Peter Gabriel, Tito Puente). Ah well. The mysteries of music, eh?