======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '391'
                                          'artist'  'Queen'
                                     'text_people'  ''
                                         'release'  'Innuendo'
                                           'title'  'Innuendo'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'glam rock', 'rock', 'hard rock', 'classic rock']"
                                     'discogstags'  "['rock', 'pop rock', 'synth-pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '12'
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'rock-cppex-classic'
                                             'bpm'  '144.130'
                                             'key'  '1A'
                                        'acoustid'  '2c429790-2b96-4f95-b2cb-6ae3643c08be'
rest: ''

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

'APIC:front.jpg'                                    type PictureType.COVER_FRONT (Cover (front)) b'front.jpg'
                                     
'TALB' (Album/Movie/Show title)                     'Innuendo'
'TBPM' (BPM (beats per minute))                     '144.130'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-classic'
'TDOR' (Original release time)                      '1991'
'TDRC' (Recording time)                             '2015-09-25'
'TIT2' (Title/songname/content description)         'Innuendo'
'TKEY' (Initial key)                                '1A'
'TMED' (Media type)                                 'Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Queen'
'TPE2' (Band/orchestra/accompaniment)               'Queen'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Virgin EMI Records'
'TRCK' (Track number/Position in set)               '1/12'
'TSO2'                                              'Queen'
'TSOP' (Performer sort order)                       'Queen'
'TXXX:Acoustid Id'                                  '2c429790-2b96-4f95-b2cb-6ae3643c08be'
'TXXX:BARCODE'                                      '602547202819'
'TXXX:CATALOGNUMBER'                                '00602547202819'
'TXXX:MusicBrainz Album Artist Id'                  '0383dadf-2a4e-4d10-a46a-e9e041da8eb3'
'TXXX:MusicBrainz Album Id'                         '75970015-733d-4e48-a45b-5bae26f342a3'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '0383dadf-2a4e-4d10-a46a-e9e041da8eb3'
'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:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['rock', 'pop rock', 'synth-pop']
'TXXX:lastfmtags'                                   ['80s', 'glam rock', 'rock', 'hard rock', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.60 dB'
'TXXX:replaygain_track_peak'                        '0.747753'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'd51f5429-daee-4e7f-9717-4e47bf929552')

========================== row from database ==========================
                                              'id'  1413486
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Queen/Queen - (1991) innuendo/01 - queen - innuendo.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  391
                                           'genre'  rock-cppex-classic
                                        'filesize'  15755442
                                           'mtime'  1636038809
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy (1991) innuendo 01 queen innuendo rock cppex classic
                                      'tag_artist'  Queen
                                     'tag_release'  Innuendo
                                       'tag_title'  Innuendo
                                             'bpm'  144.13
                                    'search_title'  'innuendo':1
                                   'search_artist'  'queen':1
                                  'search_release'  'innuendo':1
                                     'search_rest'  '1991':2,3 'classic':8 'classicprogpsy':1 'cppex':7 'innuendo':4 'queen':5 'rock':6
                                    'search_combo'  '1991':5,6 'classic':11 'classicprogpsy':4 'cppex':10 'innuendo':1A,3C,7 'queen':2B,8 'rock':9
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'glam rock', 'rock', 'hard rock', 'classic rock']
                                        'tag_date'  2015
                                     'discogstags'  ['rock', 'pop rock', 'synth-pop']

============================== file details ==============================
                                           'mtime'  1636038808.6907282  (2021-11-04 16:13:28)
                             'size'  15755442