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/Bose L1 Pro 8/Senn 935

Studio: Korg PA4X/Kawai MP7SE/Tascam DP24SD/Sony C80/AGK 214/ATEM Mini Pro switcher/