======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '608'
                                          'artist'  'The Bulgarian All Star Orchestra'
                                     'text_people'  'Various Artists'
                                         'release'  'Balkan Blues'
                                           'title'  'Wallachina Suite'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
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 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  '16'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'loc-style-gypsy or balkan or klezmer;mi-brass'
                                             'bpm'  '120.185'
                                             'key'  '7A'
                                        'acoustid'  '28292465-c95f-462e-9cf3-5debcee8d5f8'
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 00000683 00000707 00004907 00005DFD 00005105 0008270A 00007C96 000082B9 '
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'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000B10 00000000019933E0 00000000 00DEA58E 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '16+CA6E4D2AB30811B09D9D7E9847DF571A+759412'
'TALB' (Album/Movie/Show title)                     'Balkan Blues'
'TBPM' (BPM (beats per minute))                     '120.185'
'TCMP'                                              '1'
'TCOM' (Composer)                                   'Various Artists'
'TCON' (Content type, a.k.a. Genre)                 ['loc-style-gypsy or balkan or klezmer', 'mi-brass']
'TDOR' (Original release time)                      '1999'
'TDRC' (Recording time)                             '1999-11-16'
'TENC' (Encoded by)                                 'iTunes v7.0.2'
'TIT2' (Title/songname/content description)         'Wallachina Suite'
'TKEY' (Initial key)                                '7A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'The Bulgarian All Star Orchestra'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '2/2'
'TPUB' (Publisher)                                  'Network Medien'
'TRCK' (Track number/Position in set)               '13/16'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Bulgarian All Star Orchestra, The'
'TXXX:ASIN'                                         'B0000300KS'
'TXXX:Acoustid Id'                                  '28292465-c95f-462e-9cf3-5debcee8d5f8'
'TXXX:Artists'                                      'The Bulgarian All Star Orchestra'
'TXXX:BARCODE'                                      '785965102425'
'TXXX:CATALOGNUMBER'                                '51024'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '03f67e07-fda7-40e8-8f12-96ab310a7297'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        'd4094d4a-2c2a-4045-8106-842383816b33'
'TXXX:MusicBrainz Release Group Id'                 'b04a7c27-57dd-370b-aefd-e86a6dceb8de'
'TXXX:MusicBrainz Release Track Id'                 '249d361d-7079-3b16-a3fd-23f5a0888a0a'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:originalyear'                                 '1999'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.70 dB'
'TXXX:replaygain_track_peak'                        '0.506942'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'10bdf7c0-b444-45c1-be26-0c8ef9af0ee6')

========================== row from database ==========================
                                              'id'  1388465
                                            'path'  /data/Music/Bulk/00localcharacter/Bulgarian All Star Orchestra - balkan blues 2/Bulgarian All Star Orchestra - Wallachian Suite.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  608
                                           'genre'  loc-style-gypsy or balkan or klezmer;mi-brass
                                        'filesize'  14614737
                                           'mtime'  1620528382
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter balkan blues 2 Wallachian loc style gypsy or balkan or klezmer;mi brass
                                      'tag_artist'  The Bulgarian All Star Orchestra
                                     'tag_release'  Balkan Blues
                                       'tag_title'  Wallachina Suite
                                             'bpm'  120.185
                                    'search_title'  'suite':2 'wallachina':1
                                   'search_artist'  'all':3 'bulgarian':2 'orchestra':5 'star':4 'the':1
                                  'search_release'  'balkan':1 'blues':2
                                     'search_rest'  '2':3 'balkan':1 'blues':2 'brass':13 'gypsy':7 'klezmer':9,11 'loc':5 'mi':10,12 'or':8 'style':6 'wallachian':4
                                    'search_combo'  '2':12 'all':5B 'balkan':8C,10 'blues':9C,11 'brass':22 'bulgarian':4B 'gypsy':16 'klezmer':18,20 'loc':14 'mi':19,21 'or':17 'orchestra':7B 'star':6B 'style':15 'suite':2A 'the':3B 'wallachian':13 'wallachina':1A
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528381.9178436  (2021-05-09 04:46:21)
                             'size'  14614737