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if you don't have any music from the start, these are usually missing write rights (caused bei your Antivirus program or Windows itself).
Console commands don't help you there. The related bugs should now all be fixed.
Make sure you run all of the following files as admin:
EnderalLauncher.exe; TESV.exe and skse_loader.exe
Otherwise, the problem sometimes occurs if you don't have Enderal installed on your c: drive or the drive on which you installed Steam.
So try installing Enderal on c :
You can save your savegames manually beforehand and copy them back if necessary.