When I record my songs (with vocals) on the mp3 in the PA800 can I take it to the computer via pen drive and mix? What program would anyone suggest?

Thanks in advance.

Will post as soon as this is done!
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Live: Korg PA4X/EV Everse 8s/Senn 935/K&M stand

Studio: Korg PA4X/Yamaha DGX670/Boss BR900CD/Tascam DP24SD/MTM Iloud/Sony C80/AGK 214/K&M stand