They have a wide range of music and sound effects that people can use for their videos. These sound files are safe for Youtube and won’t infringe any sort of copyright laws. They aren’t super cheesy either, some of these music files are a bop.
There is a Youtube channel called Audio Library. “Audio Library is a channel dedicated to search, catalog, sort and publish No Copyright Music, Vlog Music and Royalty Free Music for content creators”. All they ask is that in the description of the video you copy and paste the provided credits to the creator and to the channel. They have a wide range of genres and are constantly updating their lists of music.
https://www.youtube.com/channel/UCht8qITGkBvXKsR1Byln-wA/featured
[Direct Link to Audio Library webpage for downloads]
https://www.audiolibrary.com.co/
Royalty free. Copyright Free. Free to download. Free to use. Terms available on their Youtube Channel.
Fresh music created of free, public use. Not old stuff from dead folks, but just a few artists making sweet sounds.
Lots of sound fx and music available on a CC license
For folks that need just the right kind of sound to add a finishing touch to their audio projects, BBC has around 16,000 of them for your listening pleasure.