http://www.perlmonks.org?node_id=347972


in reply to Re: Cannot write changes to file using MP3::Mplib through CGI
in thread Cannot write changes to file using MP3::Mplib through CGI

I have actually done that, (and commented on it in my OP), but not referenced it in the code sample explicitly.
and that is certainly true if i check $mp3->error, infact the output is a hash ref with {album => 2}