What four songs are on the Final Fantasy Songs Mount Rushmore?

To Zanarkand is the highest on Spotify by quite a number at 11 million plays

highest from VIII? Balamb Garden (3 million compared to 1.8 for Liberi Fatali)

highest from VII? the Battle Music actually squeaks past the boss music and One Winged Angel, all three have about 4.6-4.7 million plays

VI's is the boss theme at 2.2 million plays, IX's is Melodies of Life at 2.7 million

Edit: Actually XIII's main theme and Promise By the Light are at 5.4 million and 5.2 million respectively, Somnus from XV... at 9.2 million (Who are these people listening to it haha)