Background Audio attached to timeline

I forgot to record the audio for a demo of a SaaS that lasted 30 min long. I exported the audio and used the mp3 on external audio option. But while editing inside Screen studio, I realized that the audio would not follow the clip cuts, always maintaining its place in the timeline non-paralleled with the video. A attach-audio-to-video option would be great, in these case giving the differentiation between music external audio, and speech external audio, solving the “forgot-to-record-audio” UX problem. This would help A LOT in these cases on which we edit in 2 editors, while trying to maintain the nature of the screen studio zooms.