Most gym-goers enjoy listening to a few tunes to help inspire a workout.
But if you really want to shift those unwanted pounds on the treadmill, then select the playlist with care.
It's not just the tempo of a song that affects the intensity of a workout, the style of the song has an influence too, researchers say.
Repetitive dance music can make us train better than more 'relaxing' songs - even at the same tempo, they claim.
Scientists suggest there may be something inherent in the style of music that influences us.