Look at the style of the shooting content. If you shoot daily life like me, you can choose cheerful, cute, clean, and comfortable-sounding music as the BGM of the video.
Here are a few songs I often use:
"Royal Cute Guards" Ling Kong GTech
"Red Balloon" Emily Hearn
" Doesn'tGetBetterThanThis》JoyWilliams
《eden.》ROOK1E
《Cooking》AShamaluevMusic
《Cat's Dance》Candy_Wind
《VapourTrails 》ThomasGreenberg
《grass*harvest》Foxtail-GrassStudio
《MountainJourney》Foxtail-GrassStudio
《JustaFeeling》ThomasGreenberg
《ClearAsDay 》ThomasGreenberg
《BUS》Jiang Minguo
《EasyBreeze》ThomasGreenberg
《_のこども、なる》Kawai_times
《 LarronsEnFoire》Rapha?lBeau
《_猫さんの Backstretchび》MANYO/三_学
《CandyGirl》Ujico*/Snail'shouse
《DangoDaikazoku》 E2D/Chata
"ShowMeTheMoney" V.A.
"Tsubaki's Theme" Japan ACG
If the above is not enough, you can collect my NetEase playlist, which There are a lot of happy BGM, which are updated frequently.