You can make anywhere from 1$ - $10 per 1000 views on Youtube plus more whenever people click the ads.
Just put out a lot of content per song like separate guitar, bass, drum, vocal play throughs, then like one all together play through. Maybe like a mix play through showing the DAW plugins and stuff.
1 song turns into 4 or 5 videos with content that fit whatever people are into. Annotate other videos and playlists.
Just keep doing that and next thing you know you have 100 videos and get 10's of 1000's of views a month.