======================== unified (from filesystem) ========================
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                                      'lastfmtags'  "['female vocalists', 'punk', 'glam rock', 'rock', 'hard rock', '70s']"
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                            'musicbrainz_artistid'  ''
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                                      'tracktotal'  '9'
                                            'date'  '1979'
                                        'comments'  ''
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======================== rawer (from filesystem) ========================

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'TBPM' (BPM (beats per minute))                     '145.476'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-hard', 'rock-pop-glam']
'TDOR' (Original release time)                      '1979'
'TDRC' (Recording time)                             '1979'
'TENC' (Encoded by)                                 'FairStars Audio Converter'
'TIT2' (Title/songname/content description)         "I'm a Million"
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 '12" Vinyl'
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'TPE2' (Band/orchestra/accompaniment)               'The Runaways'
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'TPUB' (Publisher)                                  'Cherry Red Records'
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'TSO2'                                              'Runaways, The'
'TSOP' (Performer sort order)                       'Runaways, The'
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========================== row from database ==========================
                                              'id'  1502938
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Runaways/1978 - And Now ... The Runaways/04 - I_m A Million.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  359
                                           'genre'  rock-gr-hard;rock-pop-glam
                                        'filesize'  14410685
                                           'mtime'  1622658901
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1978 04 I_m rock gr hard;rock pop glam
                                      'tag_artist'  The Runaways
                                     'tag_release'  And Now... The Runaways
                                       'tag_title'  I'm a Million
                                             'bpm'  145.476
                                    'search_title'  'a':4 'i':1 'im':3 'm':2 'million':5
                                   'search_artist'  'runaways':2 'the':1
                                  'search_release'  'and':1 'now':2,3 'runaways':5 'the':4
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                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['female vocalists', 'punk', 'glam rock', 'rock', 'hard rock', '70s']
                                        'tag_date'  1979
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1622658900.8382592  (2021-06-02 20:35:00)
                             'size'  14410685