Replace or Add Music to Uploaded YouTube Video – No Re-upload Needed! | Full Guide #youtube (2026)

Want to add audio from YouTube Audio Library to a video that’s already uploaded? This step-by-step tutorial shows you exactly how to use YouTube Studio Editor to add or replace music without re-uploading your video. You’ll learn: • How to open YouTube Studio and select your video • How to find and preview free copyright-safe music in the YouTube Audio Library • How to insert, adjust, and save an audio track on any existing YouTube video • Pro tips to make your edits seamless and keep your channel monetized ► Subscribe for more YouTube tips & tutorials:    / @marktechcomputingsolutions   ► Watch more editing guides: Chapters: 00:00 Intro 00:35 Open YouTube Studio & select video 01:15 Using the Editor’s Audio tab 02:00 How to preview & add audio 02:45 Adjust timing & save changes 03:30 Outro & pro tips Have questions? Drop them in the comments—I reply to everyone! Music from: YouTube Audio Library (copyright-free; safe for monetized use) #YouTubeStudio #YouTubeAudioLibrary #AddMusicToVideo #VideoEditing #YouTubeTips #ContentCreator #YouTubeTutorial #MonetizationSafe #FreeMusic #HowToEditVideo