======================== unified (from filesystem) ========================
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                                        'duration'  '274'
                                          'artist'  'The Dead C'
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                                      'lastfmtags'  "['noise', 'drone', 'new zealand', 'avant garde', 'experimental', 'noise rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '12'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '142.708'
                                             'key'  '9A'
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rest: ''

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

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'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDOR' (Original release time)                      '2002'
'TDRC' (Recording time)                             '2002-01-22'
'TIT2' (Title/songname/content description)         'Load Segment'
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'The Dead C'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'ATP Recordings'
'TRCK' (Track number/Position in set)               '9/12'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Dead C, The'
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'TXXX:Artists'                                      'The Dead C'
'TXXX:BARCODE'                                      '036172640225'
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'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:Tracknum'                                     '09'
'TXXX:lastfmtags'                                   ['noise', 'drone', 'new zealand', 'avant garde', 'experimental', 'noise rock']
'TXXX:originalyear'                                 '2002'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
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========================== row from database ==========================
                                              'id'  1523198
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Sonic Youth/Sonic Youth Presents All Tomorrow_s Parties 1-1/Dead C - Load Segment - 09.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  274
                                           'genre'  electronic-unsorted
                                        'filesize'  6639975
                                           'mtime'  1678928124
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos Sonic Youth Sonic Youth Presents Tomorrow_s 09 electronic unsorted
                                      'tag_artist'  The Dead C
                                     'tag_release'  All Tomorrow's Parties 1.1
                                       'tag_title'  Load Segment
                                             'bpm'  142.708
                                    'search_title'  'load':1 'segment':2
                                   'search_artist'  'c':3 'dead':2 'the':1
                                  'search_release'  '1':6,7 '11':8 'all':1 'parties':5 's':3 'tomorrow':2 'tomorrows':4
                                     'search_rest'  '00singer':1 'electronic':9 'eos':3 'presents':6 's':8 'songwriter':2 'sonic':4 'tomorrow':7 'unsorted':10 'youth':5
                                    'search_combo'  '00singer':14 '1':11C,12C '11':13C 'all':6C 'c':5B 'dead':4B 'electronic':22 'eos':16 'load':1A 'parties':10C 'presents':19 's':8C,21 'segment':2A 'songwriter':15 'sonic':17 'the':3B 'tomorrow':7C,20 'tomorrows':9C 'unsorted':23 'youth':18
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']
                                      'lastfmtags'  ['noise', 'drone', 'new zealand', 'avant garde', 'experimental', 'noise rock']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678928124.0943043  (2023-03-16 01:55:24)
                             'size'  6639975