Why are Final Fantasy characters always singing?
Briefly

Final Fantasy 7 Rebirth stands out for its diegetic songs, a tradition in the series since FF6. These in-universe songs play a significant role in the game's narrative and character development.
Diegetic songs have been pivotal in Final Fantasy games like FF8's 'Eyes on Me' and FF9's 'Melodies of Life,' adding emotional depth and serving as plot elements.
Read at Polygon
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