How to Change audio on an already uploaded YouTube video
This video describes the process of changing the audio on a YouTube video that you have already uploaded. The video is presented by Helplines.com and is in their technology series. We start out logged into YouTube and click on Uploaded Videos, then choose the video you would like to change. Click on the Audio Swap button that is just below the video. You can then choose the I'm Feeling Lucky button to have YouTube pick the audio for you. Or browse through the selections to find an appropriate audio track. Once you have decided on your track click the publish button to complete the Audio Swap.