======================== unified (from filesystem) ========================
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                                        'duration'  '180'
                                          'artist'  'Ripchord'
                                     'text_people'  ''
                                         'release'  'Rough Trade Shops: Counter Culture 06'
                                           'title'  'Lock Up Your Daughters (and Throw Away the Key)'
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 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-1']")
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                                     'discogstags'  "['indie rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '21'
                                      'tracktotal'  '22'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '137.7'
                                             'key'  '7A'
                                        'acoustid'  '0e0a9a1e-7518-4a6a-a110-b4eed9b47a30'
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '137.7'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDOR' (Original release time)                      '2007'
'TDRC' (Recording time)                             '2007-01-29'
'TENC' (Encoded by)                                 'LAME 3.90.3 Modified'
'TIT2' (Title/songname/content description)         'Lock Up Your Daughters (and Throw Away the Key)'
'TKEY' (Initial key)                                '7A'
'TLAN' (Language(s))                                'English'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Ripchord'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'V2'
'TRCK' (Track number/Position in set)               '21/22'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Ripchord'
'TXXX:ASIN'                                         'B000KZRKUS'
'TXXX:Acoustid Id'                                  '0e0a9a1e-7518-4a6a-a110-b4eed9b47a30'
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'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '8736aca5-ceba-4ab2-b87a-5b7be4e3188a'
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'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
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'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
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'TXXX:Q-UNU'                                        '1'
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'TXXX:discogstags'                                  ['indie rock', 'rock']
'TXXX:lastfmtags'                                   ['indie rock', 'indie', 'british', 'rock', 'indie pop', 'alternative']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.46 dB'
'TXXX:replaygain_track_peak'                        '0.400205'
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========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Alva Noto & Ryuichi Sakamoto - Rough Trade Shops - Counter Culture 06 (V2, Inc., 2007) 2cd [vBr]/121-ripchord-lock_up_your_daughters.mp3
                                         'working'  None
                                         'bitrate'  180
                                    'duration_sec'  180
                                           'genre'  rock-unsorted
                                        'filesize'  4082072
                                           'mtime'  1620386131
                                   'redo_metaread'  0
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                                      'tag_artist'  Ripchord
                                     'tag_release'  Rough Trade Shops: Counter Culture 06
                                       'tag_title'  Lock Up Your Daughters (and Throw Away the Key)
                                             'bpm'  137.7
                                    'search_title'  'and':5,6 'away':8 'daughters':4 'key':10,11 'lock':1 'the':9 'throw':7 'up':2 'your':3
                                   'search_artist'  'ripchord':1
                                  'search_release'  'counter':5 'culture':6 'rough':1 'shops':3,4 'trade':2
                                     'search_rest'  '121':15 '2007':10,11 '2cd':12 'alva':2 'br':25,26 'classicprogpsy':1 'daughters':20 'inc':8,9 'lock':17 'noto':3 'ripchord':16 'rock':21 'ryuichi':4 'sakamoto':5 'unsorted':22 'up':18 'v':23,24 'v2':6,7 'vbr':13,14 'your':19
                                    'search_combo'  '121':33 '2007':28,29 '2cd':30 'alva':20 'and':5A,6A 'away':8A 'br':43,44 'classicprogpsy':19 'counter':17C 'culture':18C 'daughters':4A,38 'inc':26,27 'key':10A,11A 'lock':1A,35 'noto':21 'ripchord':12B,34 'rock':39 'rough':13C 'ryuichi':22 'sakamoto':23 'shops':15C,16C 'the':9A 'throw':7A 'trade':14C 'unsorted':40 'up':2A,36 'v':41,42 'v2':24,25 'vbr':31,32 'your':3A,37
                                    'tag_tracknum'  21
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie rock', 'indie', 'british', 'rock', 'indie pop', 'alternative']
                                        'tag_date'  2007
                                     'discogstags'  ['indie rock', 'rock']

============================== file details ==============================
                                           'mtime'  1620386130.8861585  (2021-05-07 13:15:30)
                             'size'  4082072