======================== unified (from filesystem) ========================
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                                     'tracknumber'  '10'
                                      'tracktotal'  '49'
                                            'date'  '2008'
                                        'comments'  ''
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                                             'key'  '3A'
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rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
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'TDOR' (Original release time)                      '2008'
'TDRC' (Recording time)                             '2008'
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'TIT2' (Title/songname/content description)         'Au Printemps'
'TKEY' (Initial key)                                '3A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'John Baker'
'TPE2' (Band/orchestra/accompaniment)               'John Baker'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Trunk Records'
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'TSO2'                                              'Baker, John'
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'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['soundtrack', 'electronic', 'stage & screen']
'TXXX:lastfmtags'                                   ['bbc radiophonic workshop', 'all', 'electronic', 'british', 'experimental']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
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'TXXX:q-syn'                                        '2'
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========================== row from database ==========================
                                              'id'  763936
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/The John Baker Tapes Volume 1_ BBC Radiophonics 1963-1974/1-10 Au Printemps.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  148
                                           'genre'  soundtrack-library;electronic-experimental-early
                                        'filesize'  6002470
                                           'mtime'  1636923390
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 1_ BBC Radiophonics 1963 1974 10 soundtrack library;electronic experimental early
                                      'tag_artist'  John Baker
                                     'tag_release'  The John Baker Tapes, Volume 1
                                       'tag_title'  Au Printemps
                                             'bpm'  100.9
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                                   'search_artist'  'baker':2 'john':1
                                  'search_release'  '1':7 'baker':3 'john':2 'tapes':4,5 'the':1 'volume':6
                                     'search_rest'  '1':1 '1963':4 '1974':5 'bbc':2 'early':12 'electronic':8,10 'experimental':11 'library':7,9 'radiophonics':3 'soundtrack':6
                                    'search_combo'  '1':11C,12 '1963':15 '1974':16 'au':1A 'baker':4B,7C 'bbc':13 'early':23 'electronic':19,21 'experimental':22 'john':3B,6C 'library':18,20 'printemps':2A 'radiophonics':14 'soundtrack':17 'tapes':8C,9C 'the':5C 'volume':10C
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['bbc radiophonic workshop', 'all', 'electronic', 'british', 'experimental']
                                        'tag_date'  2008
                                     'discogstags'  ['soundtrack', 'electronic', 'stage & screen']

============================== file details ==============================
                                           'mtime'  1636923390.1662383  (2021-11-14 21:56:30)
                             'size'  6002470