Make sure your volume is up! :D
I personally can't focus when I am listening to music that keeps changing and has lyrics, so I rely heavily on Lofi. Shoutout to Random_alien_being for introducing me to Lofi! :D These are the Lofi songs I used: https://www.youtube.com/watch?v=_Nc0I9uak9k&t=25s https://www.youtube.com/watch?v=0W0GwQfEu_s https://www.youtube.com/watch?v=HYJs5_gz4V8&t=2s