======================== unified (from filesystem) ========================
                                         'bitrate'  '225.689'
                                        'duration'  '252'
                                          'artist'  'Kaiser Chiefs'
                                     'text_people'  ''
                                         'release'  'Employment'
                                           'title'  'Caroline, Yes'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'alternative', 'britpop', 'indie rock', 'rock']"
                                     'discogstags'  "['rock', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '12'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '84.245'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'PRIV:http://www.cdtag.com:\x00\x00á%×\x00'         PRIV(owner='http://www.cdtag.com', data=b'\x00\x00\xe1%\xd7\x00')
'TALB' (Album/Movie/Show title)                     'Employment'
'TBPM' (BPM (beats per minute))                     '84.245'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2005-02-15'
'TIT2' (Title/songname/content description)         'Caroline, Yes'
'TKEY' (Initial key)                                '12B'
'TLAN' (Language(s))                                'eng'
'TLEN' (Length)                                     '253000'
'TPE1' (Lead performer(s)/Soloist(s))               'Kaiser Chiefs'
'TPUB' (Publisher)                                  'Universal'
'TRCK' (Track number/Position in set)               '11/12'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:Release type'                                 'Advance'
'TXXX:Rip date'                                     '2005-02-03'
'TXXX:Ripping tool'                                 'EAC'
'TXXX:discogstags'                                  ['rock', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'alternative', 'britpop', 'indie rock', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.41 dB'
'TXXX:replaygain_track_peak'                        '0.327911'

========================== row from database ==========================
                                              'id'  1365961
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/Kaiser Chiefs/Employment/11-kaiser_chiefs-caroline_yes.mp3
                                         'working'  None
                                         'bitrate'  225
                                    'duration_sec'  252
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  7140774
                                           'mtime'  1621697294
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock 11 kaiser_chiefs caroline_yes ifs songwriter indie rock
                                      'tag_artist'  Kaiser Chiefs
                                     'tag_release'  Employment
                                       'tag_title'  Caroline, Yes
                                             'bpm'  84.245
                                    'search_title'  'caroline':1,2 'yes':3
                                   'search_artist'  'chiefs':2 'kaiser':1
                                  'search_release'  'employment':1
                                     'search_rest'  '00poprockelectronic':1 'caroline':6 'chiefs':5 'ifs':8 'indie':10 'indierock':3 'kaiser':4 'poprock':2 'rock':11 'songwriter':9 'yes':7
                                    'search_combo'  '00poprockelectronic':7 'caroline':1A,2A,12 'chiefs':5B,11 'employment':6C 'ifs':14 'indie':16 'indierock':9 'kaiser':4B,10 'poprock':8 'rock':17 'songwriter':15 'yes':3A,13
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'britpop', 'indie rock', 'rock']
                                        'tag_date'  2005
                                     'discogstags'  ['rock', 'indie rock']

============================== file details ==============================
                                           'mtime'  1621697293.917689  (2021-05-22 17:28:13)
                             'size'  7140774