======================== unified (from filesystem) ========================
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                                        'duration'  '394'
                                          'artist'  'Sven Tasnadi'
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                                         'release'  'In The Mix - The Sound Of The Ninth Season'
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                                      'lastfmtags'  "['minimal', 'minimal techno', 'techno', 'electronic', 'tech house']"
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                            'musicbrainz_artistid'  ''
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                                      'tracktotal'  '21'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-th'
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                                        'acoustid'  ''
rest: ''

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

'album'                                             'In The Mix - The Sound Of The Ninth Season'
'albumartist'                                       'Sven Väth'
'artist'                                            'Sven Tasnadi'
'bpm'                                               '126.7'
'date'                                              '2008'
'discnumber'                                        '2'
'discogs_artist_id'                                 '334826'
'discogs_catalog'                                   'CORMIX022'
'discogs_country'                                   'Germany'
'discogs_label'                                     'Cocoon Recordings'
'discogs_label_id'                                  '959'
'discogs_master_release_id'                         '896573'
'discogs_rating'                                    '4.22'
'discogs_release_id'                                '1534217'
'discogs_release_month'                             '11'
'discogs_released'                                  '2008-11-14'
'discogs_votes'                                     '74'
'discogstags'                                       'electronic'
'disctotal'                                         '2'
'genre'                                             'electronic-th'
'key'                                               '8A'
'lastfmtags'                                        ['minimal', 'minimal techno', 'techno', 'electronic', 'tech house']
'q-bass'                                            '3'
'q-busy'                                            '3'
'q-chart'                                           '2'
'q-drums'                                           '4'
'q-grit'                                            '2'
'q-hhrnbtt'                                         '1'
'q-jzfks'                                           '1'
'q-localness'                                       '1'
'q-mixbeat'                                         '3'
'q-oldst'                                           '3'
'q-other'                                           '1'
'q-piano'                                           '1'
'q-play'                                            '3'
'q-syn'                                             '3'
'q-unu'                                             '1'
'q-vocals'                                          '2'
'replaygain_track_gain'                             '-7.03 dB'
'replaygain_track_peak'                             '1.077903'
'style'                                             ['Italo-Disco', 'Tribal', 'Disco', 'Techno', 'Tech House', 'Electro', 'Minimal']
'title'                                             'Waiting For You Again'
'tracknumber'                                       '07'
'tracktotal'                                        '21'

========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00poprockelectronic/CD2 - Invaders/07. Sven Tasnadi - Waiting For You Again.ogg
                                         'working'  None
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                                    'duration_sec'  394
                                           'genre'  electronic-th
                                        'filesize'  10097798
                                           'mtime'  1620568141
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                                      'tag_artist'  Sven Tasnadi
                                     'tag_release'  In The Mix - The Sound Of The Ninth Season
                                       'tag_title'  Waiting For You Again
                                             'bpm'  126.7
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                                  'search_release'  'in':1 'mix':3 'ninth':6 'of':5 'season':7 'sound':4 'the':2
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                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['q-mixbeat-3', 'q-chart-2', 'q-other-1', 'q-oldst-3', 'q-grit-2', 'q-drums-4', 'q-busy-3', 'q-localness-1', 'q-jzfks-1', 'q-hhrnbtt-1', 'q-syn-3', 'q-piano-1', 'q-play-3', 'q-bass-3', 'q-vocals-2', 'q-unu-1']
                                      'lastfmtags'  ['minimal', 'minimal techno', 'techno', 'electronic', 'tech house']
                                        'tag_date'  2008
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620568140.872094  (2021-05-09 15:49:00)
                             'size'  10097798