Depends, sometimes I'll be singing something from the Dead Kennedies if I need a fast cadence.....their 150 BMwill run your HR through the roof, though. Sex Pistols are good, too, particularly Holiday in the Sun or I'm not an Animal.
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. “He who fights with monsters might take care lest he thereby become a monster. And if you gaze for long into an abyss, the abyss gazes also into you.”- Fredrick Nietzsche
"We can judge the heart of a man by his treatment of animals." - Immanuel Kant