Donny, I don't believe it can record an MP3 or any audio while an audio file is playing, same as the PSR-S950/970. In the PSR series, this also includes audio styles. In this case, the player is playing the audio style, therefore, the recording feature cannot be activated at the same time.

Gary cool
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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.)