More music to motivate (and some rather groovy dancing)

In response to Keith's comment I've been thinking long and hard about whether to post some more 80s old school thrash ala Celtic Frost (ha - had forgotten about them) or possibly Nuclear Assault. Instead, check out the groovy dancing to Minor Threat, a top 1980s straight edge punk band from the States (I was for about 2 years around the age of 20 a straight edger and rather too serious - but the music is great for running up hills to)...