Sony MSAC-US40 Operating Instructions Manual page 82

Transferring imported music data to another
device/media for listening outside the PC
environment
Music files imported into the hard disk ("My Library") of your PC can be
transferred to a "Memory Stick."
Music files transferred to a "Memory Stick" can be played outside the PC
environment using devices such as a portable audio player, etc.
For various uses of "SonicStage," please refer to the "SonicStage" Help.
PNote
There are some WAV format, MP3 format and WMT compatible music
files that cannot be imported depending on sampling rate, etc. For
details concerning music files that cannot be imported, please refer to
"Importable Files" in "SonicStage" Help.
31-GB