In tonal Western classical music (music with a tonic key or "home key"), the most frequently encountered chords are triads, so called because they consist of three distinct notes: the root note, and intervals of a third and a fifth above the root note. ... A series of chords is called a chord progression
Answer:
To this day you can still find leftovers or inspiration of the Romans architecture in buildings like the concert building in Amsterdam and many others all over Europe.
