Persona Q2/data.cpk/sound/bgm/bgm.awb

The bgm.awb is an AWB file found in Persona Q2's data.cpk. It contains all the main, non-DLC background music tracks in ADX format.

VGMToolbox
You can batch extract AWB files using | VGMToolbox. Under VGMToolbox > Misc.Tools > Extraction Tools > Common Archives, choose CRI ACB/AWB Archive Extractor. Then, drag and drop ACB/AWB files. The contents will be dumped to a folder.

ren.bat
After extracting the AWB, the files may appear to be in BIN format even though they're really ADX files. To rectify this, make a new text file named "ren.bat." Open it in Notepad, and enter the following: Save and then run the BAT file by double-clicking it. Every BIN file will instantly be renamed to ADX.