======================== unified (from filesystem) ========================
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                                        'duration'  '253'
                                          'artist'  'Enrico Caruso'
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                                           'title'  'Le Régiment de Sambre et Meuse'
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                       'musicbrainz_albumartistid'  ''
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                                     'tracknumber'  '11'
                                      'tracktotal'  '18'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'prerock-vocal-opera'
                                             'bpm'  '127.0'
                                             'key'  '2A'
                                        'acoustid'  'a72883bf-4b12-47d6-8cf8-c55cf245516c'
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======================== rawer (from filesystem) ========================

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'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
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'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal-opera'
'TDOR' (Original release time)                      '2003'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Le Régiment de Sambre et Meuse'
'TKEY' (Initial key)                                '2A'
'TLEN' (Length)                                     '253000'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Robert Planquette'
'TPE2' (Band/orchestra/accompaniment)               'Enrico Caruso'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Naxos Historical'
'TRCK' (Track number/Position in set)               '11/18'
'TSO2'                                              'Caruso, Enrico'
'TSOP' (Performer sort order)                       'Planquette, Robert'
'TSRC' (ISRC (international standard recording code))  'HKI190336411'
'TXXX:ARTISTS'                                      'Robert Planquette'
'TXXX:Acoustid Id'                                  'a72883bf-4b12-47d6-8cf8-c55cf245516c'
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'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   'opera/10s/italian/classical/tenor'
'TXXX:originalyear'                                 '2003'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
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'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
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========================== row from database ==========================
                                              'id'  1476020
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/veryearly/1919/Enrico Caruso - La Regiment De Sambre Et Meuse (Planquette) 6-1-1919.mp3
                                         'working'  None
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                                    'duration_sec'  253
                                           'genre'  prerock-vocal-opera
                                        'filesize'  5149308
                                           'mtime'  1679829903
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm veryearly 1919 La Regiment De Et (Planquette) 6 1919 prerock vocal opera
                                      'tag_artist'  Enrico Caruso
                                     'tag_release'  The Complete Recordings, Volume 11
                                       'tag_title'  Le Régiment de Sambre et Meuse
                                             'bpm'  127.0
                                    'search_title'  'de':4 'et':6 'le':1 'meuse':7 'regiment':2,3 'sambre':5
                                   'search_artist'  'caruso':2 'enrico':1
                                  'search_release'  'complete':2 'recordings':3,4 'the':1 'volume':5
                                     'search_rest'  '1919':2 '6':9 'de':5 'et':6 'la':3 'opera':12 'planquette':7,8 'prerock':10 'regiment':4 'veryearly':1 'vocal':11
                                    'search_combo'  '1919':16 '6':23 'caruso':9B 'complete':11C 'de':4A,19 'enrico':8B 'et':6A,20 'la':17 'le':1A 'meuse':7A 'opera':26 'planquette':21,22 'prerock':24 'recordings':12C,13C 'regiment':2A,3A,18 'sambre':5A 'the':10C 'veryearly':15 'vocal':25 'volume':14C
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  2A
                                           'quals'  ['Q-HAP-3', 'Q-UNU-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', 'Q-JZFKS-1', 'Q-OLDST-1', 'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-2']
                                      'lastfmtags'  ['opera/10s/italian/classical/tenor']
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1679829903.4252138  (2023-03-26 13:25:03)
                             'size'  5149308