OK … I’m a MUCH newer newbie than the original poster with no previous experience of any editing …..but here I am staring at two clips. The original bit of video had an linked audio. that’s sitting in the timeline. I then took the audio recorded offboard on a recorder, took it into Audition, improved it ( lots of background noise ) and have imported it into PP. I then synched the new good audio to the video using merge by audio. Then unlinked the video from it’s original audio and threw the latter away. NOW ..as per the original poster I don’t know how to link the mute video to it’s new audio track. I can’t ‘select’ two tracks in the timeline can I ? So how do I merge them?