Provided to YouTube by Super Simple Songs - Arts Music My Happy Song · Super Simple Songs Happy, Happy, Happy! ℗ 2020 Skyship Entertainment Company, under exclusive license to Arts Music Inc., a Warner Music Group Company. All rights reserved. Vocals: Caitlin Claessens Vocals: Zachary Marsh Writer: Adam Sakiyama Writer: Devon Charles Thagard Writer: James Brett Jubinville Writer: Morghan Fortier Writer: Troy McDonald Auto-generated by YouTube.