Extremely Simple Stem Editing within a session (No Mixing) ASAP

Extremely Simple Stem Editing within a session (No Mixing) ASAP

I just need some stems to be edited in a session. I’ve been making adjustments to a song but I work out of garage band so I’m limited. I deleted a lot of stems from a master track so I just need like two to three things done within the master like cutting a stem and placing it somewhere else. Nothing major, no mixing. I need this done asap ideally within a day.