======================== unified (from filesystem) ========================
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                                        'duration'  '345'
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                                      'lastfmtags'  "['electronica', 'trip hop', 'alternative', 'indie', 'electronic']"
                             'musicbrainz_albumid'  ''
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                            'musicbrainz_artistid'  ''
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                                      'tracktotal'  '9'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '98'
                                             'key'  '5B'
                                        'acoustid'  '6ef72b2d-803f-401b-9433-f7eb5f01ca57'
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '98'
'TCOM' (Composer)                                   'Richard Fearless & Tim Holmes'
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'TDRC' (Recording time)                             '1999-09-13'
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'TOPE' (Original artist(s)/performer(s))            'death in Vegas'
'TPE1' (Lead performer(s)/Soloist(s))               'Death in Vegas'
'TPE2' (Band/orchestra/accompaniment)               'Death in Vegas'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Concrete'
'TRCK' (Track number/Position in set)               '1/9'
'TSO2'                                              'Death in Vegas'
'TSOP' (Performer sort order)                       'Death in Vegas'
'TSRC' (ISRC (international standard recording code))  'GBARS9800149'
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========================== row from database ==========================
                                              'id'  1375202
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/death in vegas/Death In Vegas - Dirge.mp3
                                         'working'  None
                                         'bitrate'  209
                                    'duration_sec'  345
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  9062280
                                           'mtime'  1636911127
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip death vegas In electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  Death in Vegas
                                     'tag_release'  The Contino Sessions
                                       'tag_title'  Dirge
                                             'bpm'  98.0
                                    'search_title'  'dirge':1
                                   'search_artist'  'death':1 'in':2 'vegas':3
                                  'search_release'  'contino':2 'sessions':3 'the':1
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 'acid':11 'death':3 'downtempo':10 'electronic':6 'hop':8 'in':5 'jazz':12 'or':9 'trip':7 'vegas':4
                                    'search_combo'  '00poprockelectronic':8 '00trip':9 'acid':18 'contino':6C 'death':2B,10 'dirge':1A 'downtempo':17 'electronic':13 'hop':15 'in':3B,12 'jazz':19 'or':16 'sessions':7C 'the':5C 'trip':14 'vegas':4B,11
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'trip hop', 'alternative', 'indie', 'electronic']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636911127.2519443  (2021-11-14 18:32:07)
                             'size'  9062280