PlaylistAI is an app that helps people create their own playlists. It can generate playlists from AI prompts, images, videos, and music they already like. It's features include turning any music festival poster into a playlist, identifying songs in TikToks and other videos, and creating your own music festival lineup. It has been featured in various publications like FastCompany, TechCrunch, and MusicRadar. It was previously known as LineupSupply.