How to add music in Velomingo app?

here's the Domingo app in case you're wondering how to add music select the video and then here you have music you can select original video sound or extractor on video that's basically how it works so to add music you need to add another video extract from and then attach it to this video so that's a bit weird they don't have their own music library and all of that um so yeah of course just be careful with all the issues that you have all the rights to use the music which you're attaching and all of that