If the downloaded Music Soft songs are already MIDI files, you can revoice them in the keyboard using the keyboard's onboard Song Creator software.

Good Luck,

Gary 8)
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PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!

K+E=W (Knowledge Plus Experience = Wisdom.)