======================== unified (from filesystem) ========================
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                                        'duration'  '277'
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                                      'tracktotal'  '7'
                                            'date'  '2010'
                                        'comments'  ''
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                                             'key'  '12B'
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======================== rawer (from filesystem) ========================

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'COMM:iTunNORM:eng'                                 (' 000015AF 00002097 00005FAC 0000897E 00029280 00021DF3 00008000 00008000 '
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'TBPM' (BPM (beats per minute))                     '96.853'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
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'TDRC' (Recording time)                             '2010-03-30'
'TENC' (Encoded by)                                 'Buy The Original CD/Vinyl, Support The Artists!'
'TIT2' (Title/songname/content description)         'Vampire Blues'
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'TLAN' (Language(s))                                'English'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Wooden Shjips'
'TPE2' (Band/orchestra/accompaniment)               'Wooden Shjips'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Sick Thirst Records'
'TRCK' (Track number/Position in set)               '3/7'
'TSO2'                                              'Wooden Shjips'
'TSOP' (Performer sort order)                       'Wooden Shjips'
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'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['drone', 'psychedelic rock', 'experimental', 'psychedelic', 'noise rock']
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'TXXX:q-busy'                                       '3'
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'TXXX:q-drums'                                      '2'
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'TXXX:q-piano'                                      '1'
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'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
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'TXXX:replaygain_track_peak'                        '0.454925'
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========================== row from database ==========================
                                              'id'  1413602
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Wooden Shjips - 2010 - vol. 2/03-vampire_blues.mp3
                                         'working'  None
                                         'bitrate'  176
                                    'duration_sec'  277
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  6121049
                                           'mtime'  1620737257
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 2010 vol. 03 vampire_blues rock cppex psychedelic
                                      'tag_artist'  Wooden Shjips
                                     'tag_release'  Vol. 2
                                       'tag_title'  Vampire Blues
                                             'bpm'  96.853
                                    'search_title'  'blues':2 'vampire':1
                                   'search_artist'  'shjips':2 'wooden':1
                                  'search_release'  '2':3 'vol':1,2
                                     'search_rest'  '2010':2 'blues':6 'classicprogpsy':1 'cppex':8 'psychedelic':9 'rock':7 'vampire':5 'vol':3,4
                                    'search_combo'  '2':7C '2010':9 'blues':2A,13 'classicprogpsy':8 'cppex':15 'psychedelic':16 'rock':14 'shjips':4B 'vampire':1A,12 'vol':5C,6C,10,11 'wooden':3B
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  12B
                                           '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-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['drone', 'psychedelic rock', 'experimental', 'psychedelic', 'noise rock']
                                        'tag_date'  2010
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620737256.6199057  (2021-05-11 14:47:36)
                             'size'  6121049