======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '247'
                                          'artist'  'Therion'
                                     'text_people'  ''
                                         'release'  'Lepaca Kliffoth'
                                           'title'  'Melez'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['death metal', 'progressive metal', 'symphonic metal', 'metal', 'gothic "
 "metal']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '12'
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'eid-metal-symphonic'
                                             'bpm'  '92.349'
                                             'key'  '3A'
                                        'acoustid'  '6dbbb5f5-3879-4f26-8113-43e7f3d1a577'
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            "Joe's Metal Collection"
'TALB' (Album/Movie/Show title)                     'Lepaca Kliffoth'
'TBPM' (BPM (beats per minute))                     '92.349'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-symphonic'
'TDOR' (Original release time)                      '1995'
'TDRC' (Recording time)                             '1995-09-01'
'TIT2' (Title/songname/content description)         'Melez'
'TKEY' (Initial key)                                '3A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Therion'
'TPE2' (Band/orchestra/accompaniment)               'Therion'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  "TOY'S FACTORY"
'TRCK' (Track number/Position in set)               '2/12'
'TSO2'                                              'Therion'
'TSOP' (Performer sort order)                       'Therion'
'TXXX:ASIN'                                         'B000064YQ3'
'TXXX:Acoustid Id'                                  '6dbbb5f5-3879-4f26-8113-43e7f3d1a577'
'TXXX:CATALOGNUMBER'                                'TFCK-88761'
'TXXX:MusicBrainz Album Artist Id'                  'c6b0db5a-d750-4ed8-9caa-ddcfb75dcb0a'
'TXXX:MusicBrainz Album Id'                         'f26e068c-de93-4a51-b2ce-af6f0d14496e'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'c6b0db5a-d750-4ed8-9caa-ddcfb75dcb0a'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['death metal', 'progressive metal', 'symphonic metal', 'metal', 'gothic metal']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.36 dB'
'TXXX:replaygain_track_peak'                        '0.527772'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'790fa6e7-bd80-4693-bd08-c50bf8bb75f9')

========================== row from database ==========================
                                              'id'  1315769
                                            'path'  /data/Music/Bulk/00poprockelectronic/Therion/Lepaca Kliffoth/Therion - Melez - 02.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  247
                                           'genre'  eid-metal-symphonic
                                        'filesize'  5950015
                                           'mtime'  1620311782
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 02 eid metal symphonic
                                      'tag_artist'  Therion
                                     'tag_release'  Lepaca Kliffoth
                                       'tag_title'  Melez
                                             'bpm'  92.349
                                    'search_title'  'melez':1
                                   'search_artist'  'therion':1
                                  'search_release'  'kliffoth':2 'lepaca':1
                                     'search_rest'  '00poprockelectronic':1 'eid':2 'metal':3 'symphonic':4
                                    'search_combo'  '00poprockelectronic':5 'eid':6 'kliffoth':4C 'lepaca':3C 'melez':1A 'metal':7 'symphonic':8 'therion':2B
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['death metal', 'progressive metal', 'symphonic metal', 'metal', 'gothic metal']
                                        'tag_date'  1995
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620311782.1372187  (2021-05-06 16:36:22)
                             'size'  5950015