======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '195'
                                          'artist'  'The Jon Spencer Blues Explosion'
                                     'text_people'  ''
                                         'release'  'Plastic Fang'
                                           'title'  'Sweet n Sour'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
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 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['blues rock', 'alternative rock', 'blues', '77davez all tracks', 'rock']"
                                     'discogstags'  "['rock', 'alternative rock', 'blues rock', 'indie rock', 'rock & roll']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '12'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'rock-pop-early-blues'
                                             'bpm'  '87'
                                             'key'  '6B'
                                        'acoustid'  'dc7d38ca-04ea-4a6e-8616-8d7e18f35fa9'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Plastic Fang'
'TBPM' (BPM (beats per minute))                     '87'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-early-blues'
'TDOR' (Original release time)                      '2002'
'TDRC' (Recording time)                             '2002-04-08'
'TIT2' (Title/songname/content description)         'Sweet n Sour'
'TKEY' (Initial key)                                '6B'
'TLEN' (Length)                                     '195317'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'The Jon Spencer Blues Explosion'
'TPE2' (Band/orchestra/accompaniment)               'The Jon Spencer Blues Explosion'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Mute'
'TRCK' (Track number/Position in set)               '1/12'
'TSO2'                                              'Spencer, Jon, Blues Explosion, The'
'TSOP' (Performer sort order)                       'Spencer, Jon, Blues Explosion, The'
'TSRC' (ISRC (international standard recording code))  'GBAJH0100534'
'TXXX:ASIN'                                         'B00005YVZB'
'TXXX:Acoustid Id'                                  'dc7d38ca-04ea-4a6e-8616-8d7e18f35fa9'
'TXXX:Artists'                                      'The Jon Spencer Blues Explosion'
'TXXX:BARCODE'                                      '5016025611997'
'TXXX:CATALOGNUMBER'                                'CDSTUMM199'
'TXXX:MusicBrainz Album Artist Id'                  'd1ab8ca8-fb9f-4e78-a422-3cd5406dc0b1'
'TXXX:MusicBrainz Album Id'                         'bcad86eb-c89d-3f34-844a-70253ef936bf'
'TXXX:MusicBrainz Album Release Country'            'XE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'd1ab8ca8-fb9f-4e78-a422-3cd5406dc0b1'
'TXXX:MusicBrainz Release Group Id'                 'f24fa39c-f9e9-33e1-ab7f-3d489691cd49'
'TXXX:MusicBrainz Release Track Id'                 '8209908f-dd98-3305-88a1-643a10dceee4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['rock', 'alternative rock', 'blues rock', 'indie rock', 'rock & roll']
'TXXX:lastfmtags'                                   ['blues rock', 'alternative rock', 'blues', '77davez all tracks', 'rock']
'TXXX:originalyear'                                 '2002'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'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'                        '-0.73 dB'
'TXXX:replaygain_track_peak'                        '0.370350'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'fb31f6cb-19a1-42ea-b69c-3ffa80de6da3')

========================== row from database ==========================
                                              'id'  1421679
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The Jon Spencer Blues Explosion - Jon Spencer Blues Explosion/Plastic Fang/Jon Spencer Blues Explosion - Sweet N Sour - 01.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  195
                                           'genre'  rock-pop-early-blues
                                        'filesize'  3205437
                                           'mtime'  1620736532
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country N 01 rock pop early blues
                                      'tag_artist'  The Jon Spencer Blues Explosion
                                     'tag_release'  Plastic Fang
                                       'tag_title'  Sweet n Sour
                                             'bpm'  87.0
                                    'search_title'  'n':2 'sour':3 'sweet':1
                                   'search_artist'  'blues':4 'explosion':5 'jon':2 'spencer':3 'the':1
                                  'search_release'  'fang':2 'plastic':1
                                     'search_rest'  'blues':9 'country':4 'early':8 'exotica':2 'jazz':1 'n':5 'oldies':3 'pop':7 'rock':6
                                    'search_combo'  'blues':7B,19 'country':14 'early':18 'exotica':12 'explosion':8B 'fang':10C 'jazz':11 'jon':5B 'n':2A,15 'oldies':13 'plastic':9C 'pop':17 'rock':16 'sour':3A 'spencer':6B 'sweet':1A 'the':4B
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['blues rock', 'alternative rock', 'blues', '77davez all tracks', 'rock']
                                        'tag_date'  2002
                                     'discogstags'  ['rock', 'alternative rock', 'blues rock', 'indie rock', 'rock & roll']

============================== file details ==============================
                                           'mtime'  1620736531.742994  (2021-05-11 14:35:31)
                             'size'  3205437