Table of contents Introduction Wallifornia Musictech Hackathon Challenge and Prizes Thought Starters Multi-User Sing Along Cover Art & Fan Pages Interactive Lyrics Page Visual Music Cloudinary Build a Cover Image Video Transcoding HTML5 Video Player Media Authentication Categorizing Images Content Moderation Webtask & Cloudinary Image Optimization I Image Optimization II Neural Artwork Artistic Filters Distortion Effects Audio to Waveform Images Social and Cloud Sources