Absolutely! You’ll be able to take those courses as Cores or electives when you have room for them in your schedule.
In terms of a club/organization, there is ASUSF Voices, an organization funded through USF’s Student Leadership and Engagement, that features the largest student choir on-campus. Learn more about ASUSF Voices here.
If you’re interested in hip hop dance, you’ll want to check out VarCity SF.
Students change their majors frequently, and this switch doesn’t sound impossible. You should follow up with an Academic Advisor in the Center for Academic and Student Achievement (CASA) so they can assist you with the paperwork and general process of changing your major.
No, USF doesn’t give you contact information once you have been matched with a roommate—though, sometimes the user profile on USF Rooms for your roommate will include a method of contact.
If the user hasn’t provided contact information, you can try to find them via your class’s Facebook group and ask who the username belongs to.
This depends on how your professor feels about the use of technology in their classroom. You should email your professor and ask if they are okay with students using technology in class.
I haven’t personally heard of anyone that received an exemption from the University Residency Requirement, but I’m sure it happens. I would contact Student Housing and Residential Education (SHaRE) to get more information about this policy.