Earlier quoted context omitted.
It is indeed interesting. I'd say that it has to do with: - complex structures (not necessarily always 4/4 or 3/4) - variations in dynamic range (loud parts vs. quiet parts) - storytelling / philosophical themes (the human condition, freedom, suffering, literature) - intense "solos" (Mendelssohn insanely fast yet moving segments on the piano vs. Petrucci going crazy on the guitar) - mastery of musical instruments (pa…
Ha ha, Dream Theater and Complete Mendelssohn String Quartets (Pacifica Quartet) are probably the top played on my phone. The string quartet tributes to Iron Maiden and Dream Theater are pretty good. My daughter is going to a rock strings camp next week where she will be playing Metallica, Zepplin, etc on cello.
Have she listened to https://en.wikipedia.org/wiki/Apocalyptica?