The document discusses conventions in heavy metal music videos across several bands and songs. It examines the use of live band performances, elements, animals, and other symbols. For example, animals often represent vulnerability or weakness and elements like fire, water, and wind emphasize the artists' connection to nature. Shots of bands playing live show they enjoy performing. Locations and lighting also link to song meanings and challenge genre stereotypes at times. The summary provides the key information and examples in the document concisely.