Music 2F03 help AND Summer course suggestions

Hey so i am taking this course but i wont be in the country, i wont be able to go to in persom classes but he does audio recordings (dont know why not video) and posts the slides.

Anyone taking this course rn or in the past know if i need to be in person to do well?

Also how hard is jt to 12 this course? Any other summer sem suggestions to maybe take instead taht are 12 able?