Comparisons have always helped me appreciate jazz. An artist plays a tune fast; another does it as a ballad. A trumpeter finishes his solo, and a saxophonist takes that closing phrase and morphs it in a different direction. A musician revisits a composition years later with a new arrangement and ensemble. Aligned side by side, you get a good sense of why jazz is a music of individual style, and of gradual accretion, and of friendly "Oh, yeah, watch this" motivation.
Music videos are like funny math, where 1+1=3. That is, images have a meaning on their own, music has a meaning when you listen to it alone, but put images and music together and something new is born. 1+1=3. Try it randomly: put on a piece of music and watch a cartoon or an old movie ... people did it famously with The Dark Side of the Moon and The Wizard of Oz.
Old songs provide a lens through which we can view lifestyles and work-ways, now passed into history, when manual labors filled the day. Hear of horse-drawn ploughs, hand loom weavers, miners and the men who fished under sail with Davy Steele, Dick Gaughan, Christine Kydd and many more.
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