======================== unified (from filesystem) ========================
                                         'bitrate'  '233.587'
                                        'duration'  '277'
                                          'artist'  'Anja Garbarek'
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                                         'release'  'Balloon Mood'
                                           'title'  'The Cabinet'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
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                                      'lastfmtags'  "['female vocalists', 'jazz', 'trip hop', 'electronic', 'norwegian']"
                                     'discogstags'  "['electronic', 'future jazz', 'downtempo', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '10'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted;set-pl-sced'
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                                             'key'  '9A'
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rest: ''

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

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'TBPM' (BPM (beats per minute))                     '97.977'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-jazz-unsorted', 'set-pl-sced']
'TDOR' (Original release time)                      '1996'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'The Cabinet'
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Anja Garbarek'
'TPE2' (Band/orchestra/accompaniment)               'Anja Garbarek'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'BMG Norway'
'TRCK' (Track number/Position in set)               '5/10'
'TSO2'                                              'Garbarek, Anja'
'TSOP' (Performer sort order)                       'Garbarek, Anja'
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'TXXX:MusicBrainz Album Type'                       'album'
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'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
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'TXXX:discogstags'                                  ['electronic', 'future jazz', 'downtempo', 'experimental']
'TXXX:lastfmtags'                                   ['female vocalists', 'jazz', 'trip hop', 'electronic', 'norwegian']
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'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
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========================== row from database ==========================
                                              'id'  1388292
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Anja Garbarek/[1996] Balloon Mood/05 The Cabinet.mp3
                                         'working'  None
                                         'bitrate'  233
                                    'duration_sec'  277
                                           'genre'  prerock-jb-jazz-unsorted;set-pl-sced
                                        'filesize'  8232043
                                           'mtime'  1620528153
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country [1996] 05 prerock jb jazz unsorted;set pl sced
                                      'tag_artist'  Anja Garbarek
                                     'tag_release'  Balloon Mood
                                       'tag_title'  The Cabinet
                                             'bpm'  97.977
                                    'search_title'  'cabinet':2 'the':1
                                   'search_artist'  'anja':1 'garbarek':2
                                  'search_release'  'balloon':1 'mood':2
                                     'search_rest'  '1996':5,6 'country':4 'exotica':2 'jazz':1 'jb':8 'oldies':3 'pl':13 'prerock':7 'sced':14 'set':10,12 'unsorted':9,11
                                    'search_combo'  '1996':11,12 'anja':3B 'balloon':5C 'cabinet':2A 'country':10 'exotica':8 'garbarek':4B 'jazz':7 'jb':14 'mood':6C 'oldies':9 'pl':19 'prerock':13 'sced':20 'set':16,18 'the':1A 'unsorted':15,17
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['female vocalists', 'jazz', 'trip hop', 'electronic', 'norwegian']
                                        'tag_date'  1996
                                     'discogstags'  ['electronic', 'future jazz', 'downtempo', 'experimental']

============================== file details ==============================
                                           'mtime'  1620528153.3422246  (2021-05-09 04:42:33)
                             'size'  8232043