The WASPER project is tailored to make countries meet their climate objectives, especially with the extensive use of solar energy.
In a different browser window, type in YouTube to MP3 converter in any reputable search engine. You'll be given a list of free conversion websites that you can use to download the music from YouTube.
You can add a new audio track to your video. Click the music note button in the upper left of the editor to bring up YouTube's library of pre-approved songs. Browse the tracks by searching or filtering by artist and genre. When you've found a song you like, drag it to the timeline.