@marbledymusic: Who are you sending this to today? 🎂 Happy Birthday on vibraphone · birthday song · satisfying marble run The birthday tune everyone knows, played by one glass marble bouncing down a pink wall of vibraphone bars. 🎈 New musical marble runs every day 🔔 Original animation & arrangement by Marbledy. #HappyBirthday #MarbleMusic #Satisfying