synthwave radio 
beats to chill/game to
https://www.youtube.com/watch?v=4xDzrJKXOOY
lo-fi hiphop
synthwave radio
dark ambient radio 
music to escape/dream to
https://www.youtube.com/watch?v=S_MOd40zlYU
lofi hip hop radio 
beats to relax/study to
https://www.youtube.com/watch?v=jfKfPfyJRdk