Rule 34 Dev - brass_instrument cosmic_hair crown ethereal_hair feathered_wings feathers female feral group hair headgear horn jewelry letter looking_at_viewer multicolored_hair musical_instrument necklace pseudo_hair reading simple_background trumpet white_background wind_instrument wings anticularpony friendship_is_magic hasbro my_little_pony mythology princess_celestia_(mlp) princess_luna_(mlp) twilight_sparkle_(mlp) equid equine mammal mythological_creature mythological_equine unicorn winged_unicorn 16:9 2019 animated long_playtime sound webm widescreen|9326899050