As we both Hamish, go back along way in music, opposite sides of the planet, there were many the top tier bands. Nazareth was a "complete" band to my sensibilities, so it is with Pete Agnew, essential driving element to the whole sound. Not sure whom the drummer is with the clips i included, seems Pete Agnew son was the drummer from 1999?
Engine room rhythm section will allow much to happen in the melodies, key element the drums. As it was last night, a whole high school descended upon a local open mic, ended up, drummer well known to me, myself on upright bass, latter evening "house" rhythm section, we had the odd challenge as the numerous young ladies decided ballad was the best song....maybe at school or home, not nearly so much a live gig, time keeping a notable absence in their sloooow melodies. Hard slog for those young ladies, obvious was not obvious.... better tempo usually has reward for effort. Return home, fire up the music here, had the effect of just how good the older bands were, and are, when still in the land of the living, j.