I can't possibly pick a single 70's band as my favorite, but I'll offer one that nobody has posted yet.
Blue Oyster Cult, rather than a single song get a copy of "Secret Treaties" and listen to it closely a few times, one of the most unique bands in rock music and very undervalued.
Blue Oyster Cult, rather than a single song get a copy of "Secret Treaties" and listen to it closely a few times, one of the most unique bands in rock music and very undervalued.