======================== unified (from filesystem) ========================
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                                        'duration'  '173'
                                          'artist'  'The Golden Gate Quartet'
                                     'text_people'  ''
                                         'release'  'The Very Best of the Golden Gate Quartet'
                                           'title'  "Nobody Knows the Trouble I've Seen"
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                                      'lastfmtags'  "['fip', 'jazz', 'spiritual', 'soul', 'gospel', 'blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '20'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'loc-namerica-gospel'
                                             'bpm'  '155'
                                             'key'  '7B'
                                        'acoustid'  '0fb8cd83-a4d4-402b-b256-858f7ff7be65'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'The Very Best of the Golden Gate Quartet'
'TBPM' (BPM (beats per minute))                     '155'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-gospel'
'TDOR' (Original release time)                      '1994'
'TDRC' (Recording time)                             '1996-11-04'
'TIT2' (Title/songname/content description)         "Nobody Knows the Trouble I've Seen"
'TKEY' (Initial key)                                '7B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'The Golden Gate Quartet'
'TPE2' (Band/orchestra/accompaniment)               'The Golden Gate Quartet'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Capitol Records'
'TRCK' (Track number/Position in set)               '6/20'
'TSO2'                                              'Golden Gate Quartet, The'
'TSOP' (Performer sort order)                       'Golden Gate Quartet, The'
'TXXX:Acoustid Id'                                  '0fb8cd83-a4d4-402b-b256-858f7ff7be65'
'TXXX:Artists'                                      'The Golden Gate Quartet'
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'TXXX:MusicBrainz Album Id'                         '81626790-88ec-31b7-9b9f-a101956b9d21'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '3ac646f6-2057-485c-bf7e-205887c81426'
'TXXX:MusicBrainz Release Group Id'                 '40b9c9f9-4ad1-3814-ab83-243bba6a89f6'
'TXXX:MusicBrainz Release Track Id'                 '4bbe8711-5285-321a-acd0-abfaa7a81c4d'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['fip', 'jazz', 'spiritual', 'soul', 'gospel', 'blues']
'TXXX:originalyear'                                 '1994'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.86 dB'
'TXXX:replaygain_track_peak'                        '0.710361'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'88c691f9-6399-4bec-9ea2-dd1d93f26018')

========================== row from database ==========================
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                                         'working'  None
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                                    'duration_sec'  173
                                           'genre'  loc-namerica-gospel
                                        'filesize'  4201521
                                           'mtime'  1621628380
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Of Have loc namerica gospel
                                      'tag_artist'  The Golden Gate Quartet
                                     'tag_release'  The Very Best of the Golden Gate Quartet
                                       'tag_title'  Nobody Knows the Trouble I've Seen
                                             'bpm'  155.0
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                                   'search_artist'  'gate':3 'golden':2 'quartet':4 'the':1
                                  'search_release'  'best':3 'gate':6 'golden':5 'of':4 'quartet':7 'the':1 'very':2
                                     'search_rest'  'country':4 'exotica':2 'gospel':9 'have':6 'jazz':1 'loc':7 'namerica':8 'of':5 'oldies':3
                                    'search_combo'  'best':15C 'country':23 'exotica':21 'gate':11B,18C 'golden':10B,17C 'gospel':28 'have':25 'i':5A 'ive':7A 'jazz':20 'knows':2A 'loc':26 'namerica':27 'nobody':1A 'of':16C,24 'oldies':22 'quartet':12B,19C 'seen':8A 'the':3A,9B,13C 'trouble':4A 've':6A 'very':14C
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['fip', 'jazz', 'spiritual', 'soul', 'gospel', 'blues']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621628380.4714115  (2021-05-21 22:19:40)
                             'size'  4201521