Good post. I attended a number of concerts at the Usher Hall as part of the 'Naked Classics' series. The first half was narrated by a composer/conductor who guided the orchestra (RSNO) into deconstructing the piece in question, with a gigantic HD screen above them highlighting the signature and various movements or whatever. Second half, they just performed it.
Beethoven's Fifth was one of the series and they went very heavily on the 'fate knocking at the door' motif.
I'm going to highlight something different - two pieces that one mixes up, most probably because the former influenced the latter. This is maybe just me, maybe age, though I was mixing them up as a teenager so that's possibly not an excuse.
First up is Sibelius and '
Finlandia' matched with Holst's '
Mars' from the '
Planet Suite'
https://www.youtube.com/watch?v=F5zg_af9b8c
https://www.youtube.com/watch?v=Jmk5frp6-3Q
Second is Handel's
Sarabande which featured in Kubrick's masterpiece
Barry Lyndon, matched with the Second Movement of Beethoven's Seventh Symphony
Handel's Sarabande
2nd Movement, 7th Symphony
From memory, Brahms First lifts huge elements of Beethoven's Ninth as well?