Soundtracks can make much more impact than lyrics, start with Jerry Goldsmith, Hans Zimmer, Boston Pops Orchestra, City of Prague Philharmonic, John Williams, any Olympic soundtracks, Michael Kamen, Randy Edleman, Randy Newman, Russian State Symphony(O Fortuna(the Omen), Trevor Rabin,Vangelis, and any group with College Fight Songs.
Use ITunes to search for movie soundtracks, look for themes of movies, opening and closings.
Blend your clips to the the music, cut on the timeline, and you can shape your audience emotion, to simply play hard rock with no symbiotic relationship, is like watching game films with the radio on.