I have found that (some) same name styles (exactly) in the 3X and 4X were different enough for me to grab the 3X style. Subtle, but different.
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Yamaha 920 / Yamaha DGX-670 / Maui 5 Go (2) / Senn e935 / Sony C80 / Tascam DP24sd / ATEM Mini Pro switcher (studio)