it's so hard to choose a favorite geometry dash song tbh
here are some of my favorites:
Dimension - Hyperdemented
Black Blizzard - KrmaL
Sphere - Creo
Zodiac - Bianox
Death Moon - Soundholick
Death Moon - Caustic
Screamroom - Xtrullor
Mr Crazyhands - ExtoPlasm
Parfait - EpsiDev
Poocubed - Lisp