======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '283'
                                          'artist'  'Apoptygma Berzerk'
                                     'text_people'  ''
                                         'release'  'Until The End Of The World'
                                           'title'  'UTEOTW (Ladytron Mix)'
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-3', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['industrial', 'ebm', 'synthpop', 'electronic', 'futurepop']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-we-electropop or synthpop'
                                             'bpm'  '87.069'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Until The End Of The World'
'TBPM' (BPM (beats per minute))                     '87.069'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electropop or synthpop'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'UTEOTW (Ladytron Mix)'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Apoptygma Berzerk'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['industrial', 'ebm', 'synthpop', 'electronic', 'futurepop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.95 dB'
'TXXX:replaygain_track_peak'                        '0.394359'

========================== row from database ==========================
                                              'id'  1320751
                                            'path'  /data/Music/Bulk/00poprockelectronic/ladytron      tracks/Apoptygma Berzerk - Until the End of the World (Ladytron Remix).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  283
                                           'genre'  electronic-we-electropop or synthpop
                                        'filesize'  6798328
                                           'mtime'  1620573697
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic ladytron tracks the of the Remix) electronic we electropop synthpop
                                      'tag_artist'  Apoptygma Berzerk
                                     'tag_release'  Until The End Of The World
                                       'tag_title'  UTEOTW (Ladytron Mix)
                                             'bpm'  87.069
                                    'search_title'  'ladytron':2,3 'mix':4,5 'uteotw':1
                                   'search_artist'  'apoptygma':1 'berzerk':2
                                  'search_release'  'end':3 'of':4 'the':2 'until':1 'world':5
                                     'search_rest'  '00poprockelectronic':1 'electronic':8 'electropop':10 'ladytron':2 'of':5 'remix':6,7 'synthpop':11 'the':4 'tracks':3 'we':9
                                    'search_combo'  '00poprockelectronic':13 'apoptygma':6B 'berzerk':7B 'electronic':20 'electropop':22 'end':10C 'ladytron':2A,3A,14 'mix':4A,5A 'of':11C,17 'remix':18,19 'synthpop':23 'the':9C,16 'tracks':15 'until':8C 'uteotw':1A 'we':21 'world':12C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['industrial', 'ebm', 'synthpop', 'electronic', 'futurepop']
                                        'tag_date'  2002
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620573697.012253  (2021-05-09 17:21:37)
                             'size'  6798328