======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '275'
                                          'artist'  'Queen'
                                     'text_people'  ''
                                         'release'  'Innuendo'
                                           'title'  'The Show Must Go On'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'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'  '12'
                                      'tracktotal'  '12'
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'rock-cppex-classic'
                                             'bpm'  '140.823'
                                             'key'  '10A'
                                        'acoustid'  '0311a0db-1779-43db-bc97-2b4753870b2e'
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))                     '140.823'
'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)         'The Show Must Go On'
'TKEY' (Initial key)                                '10A'
'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)               '12/12'
'TSO2'                                              'Queen'
'TSOP' (Performer sort order)                       'Queen'
'TSRC' (ISRC (international standard recording code))  'GBCEE0100140/GBCEE9100004/GBUM71029636/GBUM71106221'
'TXXX:Acoustid Id'                                  '0311a0db-1779-43db-bc97-2b4753870b2e'
'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'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.15 dB'
'TXXX:replaygain_track_peak'                        '0.555034'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'e4678e4a-3cb1-497b-9b66-a0c1fec1a85e')

========================== row from database ==========================
                                              'id'  1412999
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Queen/Queen - (1991) innuendo/12 - queen - the show must go on.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  275
                                           'genre'  rock-cppex-classic
                                        'filesize'  11136607
                                           'mtime'  1636038814
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy (1991) innuendo 12 queen the show must go on rock cppex classic
                                      'tag_artist'  Queen
                                     'tag_release'  Innuendo
                                       'tag_title'  The Show Must Go On
                                             'bpm'  140.823
                                    'search_title'  'go':4 'must':3 'on':5 'show':2 'the':1
                                   'search_artist'  'queen':1
                                  'search_release'  'innuendo':1
                                     'search_rest'  '1991':2,3 'classic':13 'classicprogpsy':1 'cppex':12 'go':9 'innuendo':4 'must':8 'on':10 'queen':5 'rock':11 'show':7 'the':6
                                    'search_combo'  '1991':9,10 'classic':20 'classicprogpsy':8 'cppex':19 'go':4A,16 'innuendo':7C,11 'must':3A,15 'on':5A,17 'queen':6B,12 'rock':18 'show':2A,14 'the':1A,13
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-2', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'glam rock', 'rock', 'hard rock', 'classic rock']
                                        'tag_date'  2015
                                     'discogstags'  ['rock', 'pop rock', 'synth-pop']

============================== file details ==============================
                                           'mtime'  1636038814.381484  (2021-11-04 16:13:34)
                             'size'  11136607