======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '82'
                                          'artist'  'The Beau Hunks'
                                     'text_people'  ''
                                         'release'  'The Beau Hunks Play the Original Laurel & Hardy Music, Vol. 2'
                                           'title'  "Let's Go"
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                                      'lastfmtags'  "['soundtrack', 'jazz', 'coffee and cigarettes', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  '50'
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '118.636'
                                             'key'  '8A'
                                        'acoustid'  '08eb39d6-08e0-4f33-9593-0c6731bdc51f'
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '118.636'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDOR' (Original release time)                      '1993'
'TDRC' (Recording time)                             '1993'
'TIT2' (Title/songname/content description)         "Let's Go"
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'The Beau Hunks'
'TPE2' (Band/orchestra/accompaniment)               'The Beau Hunks'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Basta'
'TRCK' (Track number/Position in set)               '17/50'
'TSO2'                                              'Beau Hunks, The'
'TSOP' (Performer sort order)                       'Beau Hunks, The'
'TXXX:ALBUMSORT'                                    '1993 Play the Original Laurel and Hardy Music'
'TXXX:Acoustid Id'                                  '08eb39d6-08e0-4f33-9593-0c6731bdc51f'
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'TXXX:MusicBrainz Album Status'                     'official'
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'TXXX:Q-JZFKS'                                      '1'
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'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['soundtrack', 'jazz', 'coffee and cigarettes', 'swing']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
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'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.09 dB'
'TXXX:replaygain_track_peak'                        '0.640346'
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========================== row from database ==========================
                                              'id'  1505813
                                            'path'  /data/Music/Bulk/0soundtrack/Beau Hunks - Play the Original Laurel and Hardy Music/2-17 let_s go.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  82
                                           'genre'  soundtrack-video
                                        'filesize'  2084199
                                           'mtime'  1636915602
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack and 17 let_s go soundtrack video
                                      'tag_artist'  The Beau Hunks
                                     'tag_release'  The Beau Hunks Play the Original Laurel & Hardy Music, Vol. 2
                                       'tag_title'  Let's Go
                                             'bpm'  118.636
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                                   'search_artist'  'beau':2 'hunks':3 'the':1
                                  'search_release'  '2':12 'beau':2 'hardy':7 'hunks':3 'laurel':6 'music':8,9 'original':5 'play':4 'the':1 'vol':10,11
                                     'search_rest'  '0soundtrack':1 'and':2 'go':5 'let':3 's':4 'soundtrack':6 'video':7
                                    'search_combo'  '0soundtrack':20 '2':19C 'and':21 'beau':6B,9C 'go':4A,24 'hardy':14C 'hunks':7B,10C 'laurel':13C 'let':1A,22 'lets':3A 'music':15C,16C 'original':12C 'play':11C 's':2A,23 'soundtrack':25 'the':5B,8C 'video':26 'vol':17C,18C
                                    'tag_tracknum'  17
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'jazz', 'coffee and cigarettes', 'swing']
                                        'tag_date'  1993
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636915601.9260795  (2021-11-14 19:46:41)
                             'size'  2084199