======================== unified (from filesystem) ========================
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                                        'duration'  '208'
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                                           'title'  'Indiana'
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                            'musicbrainz_artistid'  ''
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                                     'tracknumber'  '1'
                                      'tracktotal'  '20'
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-o-dixiestyle'
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                                        'acoustid'  ''
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '125.238'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-o-dixiestyle'
'TDOR' (Original release time)                      '1997'
'TDRC' (Recording time)                             '1997-10-08'
'TENC' (Encoded by)                                 'FreeRIP 2.941'
'TIT2' (Title/songname/content description)         'Indiana'
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Original Dixieland Jazz Band'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'Retro'
'TRCK' (Track number/Position in set)               '1/20'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Original Dixieland Jazz Band'
'TXXX:ASIN'                                         'B000005S8D'
'TXXX:Artists'                                      'Original Dixieland Jazz Band'
'TXXX:CATALOGNUMBER'                                'R2CD 40-09'
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'TXXX:MusicBrainz Album Id'                         'e07496cf-b5a6-4f30-bd17-aa2bbb348872'
'TXXX:MusicBrainz Album Status'                     'official'
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'TXXX:Q-UNU'                                        '1'
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'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['new orleans', 'american', 'jazz', 'dixieland', 'dixieland jazz']
'TXXX:originalyear'                                 '1997'
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========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The History Of Jazz - Dixieland To Swing/CD 1/01  - Original Dixieland Jass Band - Indiana.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  208
                                           'genre'  prerock-jb-jazz-o-dixiestyle
                                        'filesize'  5063645
                                           'mtime'  1620536292
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Of To CD 1 01 Jass prerock jb jazz dixiestyle
                                      'tag_artist'  Original Dixieland Jazz Band
                                     'tag_release'  The History of Jazz: Dixieland to Swing
                                       'tag_title'  Indiana
                                             'bpm'  125.238
                                    'search_title'  'indiana':1
                                   'search_artist'  'band':4 'dixieland':2 'jazz':3 'original':1
                                  'search_release'  'dixieland':6 'history':2 'jazz':4,5 'of':3 'swing':8 'the':1 'to':7
                                     'search_rest'  '1':8 'cd':7 'country':4 'dixiestyle':12 'exotica':2 'jass':9 'jazz':1 'jb':11 'of':5 'oldies':3 'prerock':10 'to':6
                                    'search_combo'  '1':21 'band':5B 'cd':20 'country':17 'dixieland':3B,11C 'dixiestyle':25 'exotica':15 'history':7C 'indiana':1A 'jass':22 'jazz':4B,9C,10C,14 'jb':24 'of':8C,18 'oldies':16 'original':2B 'prerock':23 'swing':13C 'the':6C 'to':12C,19
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['new orleans', 'american', 'jazz', 'dixieland', 'dixieland jazz']
                                        'tag_date'  1997
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620536292.062422  (2021-05-09 06:58:12)
                             'size'  5063645