In case anyone wants to know how to unpack the Data folder from the game here's a little guide
(Tutorial by Sshadow5001)

Grab QuickBMS
https://aluigi.altervista.org/quickbms.htm
Grab this BMS specifically for unpacking Streets of Rage Remake
https://zenhax.com/viewtopic.php?t=2942

Open QuickBMS
Select streets_of_rage_remake.bms
Select SorR.dat
Select a place to extract the contents
Done

All the fpg's, wav's and smk's you can eat.