======================== unified (from filesystem) ========================
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                                        'duration'  '392'
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                                     'discogstags'  "['techno', 'electronic']"
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                            'musicbrainz_artistid'  ''
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                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-beats'
                                             'bpm'  '128.008'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'artist'                                            'Planetary Assault Systems'
'bpm'                                               '128.008'
'discogstags'                                       ['techno', 'electronic']
'genre'                                             'electronic-generic or radio-beats'
'key'                                               '8A'
'lastfmtags'                                        ['minimal techno', 'detroit techno', 'techno', 'electronic', 'minimal']
'q-bass'                                            '1'
'q-busy'                                            '3'
'q-chart'                                           '2'
'q-drums'                                           '4'
'q-grit'                                            '2'
'q-hap'                                             '3'
'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'                                          '1'
'replaygain_track_gain'                             '-8.20 dB'
'replaygain_track_peak'                             '1.033428'
'title'                                             'Strange Attractor (Original Mix)'
'tracknumber'                                       '02'

========================== row from database ==========================
                                              'id'  1367733
                                            'path'  /data/Music/Bulk/00poprockelectronic/00techno-house-harder-beats/Planetary Assault Systems [TET, ep] [CodeTempest]/02  Strange Attractor (Original Mix).ogg
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  392
                                           'genre'  electronic-generic or radio-beats
                                        'filesize'  7999408
                                           'mtime'  1620564211
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00techno house harder beats [TET, ep] [CodeTempest] 02 electronic generic radio beats
                                      'tag_artist'  Planetary Assault Systems
                                     'tag_release'  None
                                       'tag_title'  Strange Attractor (Original Mix)
                                             'bpm'  128.008
                                    'search_title'  'attractor':2 'mix':5,6 'original':3,4 'strange':1
                                   'search_artist'  'assault':2 'planetary':1 'systems':3
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '00techno':2 'beats':5 'code':15,16 'codetempest':10,11 'electronic':12 'ep':8,9 'generic':13 'harder':4 'house':3 'radio':14 'tempest':17,18 'tet':6,7
                                    'search_combo'  '00poprockelectronic':10 '00techno':11 'assault':8B 'attractor':2A 'beats':14 'code':24,25 'codetempest':19,20 'electronic':21 'ep':17,18 'generic':22 'harder':13 'house':12 'mix':5A,6A 'original':3A,4A 'planetary':7B 'radio':23 'strange':1A 'systems':9B 'tempest':26,27 'tet':15,16
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['q-mixbeat-3', 'q-chart-2', 'q-other-1', 'q-oldst-3', 'q-grit-2', 'q-vocals-1', '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-1', 'q-hap-3', 'q-unu-1']
                                      'lastfmtags'  ['minimal techno', 'detroit techno', 'techno', 'electronic', 'minimal']
                                        'tag_date'  
                                     'discogstags'  ['techno', 'electronic']

============================== file details ==============================
                                           'mtime'  1620564210.816712  (2021-05-09 14:43:30)
                             'size'  7999408