======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '460'
                                          'artist'  'Apoptygma Berzerk'
                                     'text_people'  ''
                                         'release'  "Kathy's Song"
                                           'title'  "Kathy's Song (Victoria mix by"
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['industrial', 'ebm', 'synthpop', 'electronic', 'futurepop']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'eid-ebm or industrial or darkwave'
                                             'bpm'  '122.141'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Kathy's Song"
'TBPM' (BPM (beats per minute))                     '122.141'
'TCON' (Content type, a.k.a. Genre)                 'eid-ebm or industrial or darkwave'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         "Kathy's Song (Victoria mix by"
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Apoptygma Berzerk'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'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'                                       '3'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.09 dB'
'TXXX:replaygain_track_peak'                        '0.391109'

========================== row from database ==========================
                                              'id'  1398402
                                            'path'  /data/Music/Bulk/00dwimp/00ebm-industrial-darkwave-goth/Apoptygma Berzerk/Apoptygma Bezerk/Apoptygma Berzerk - Kathys Song (Vnv Nation Mix).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  460
                                           'genre'  eid-ebm or industrial or darkwave
                                        'filesize'  11061120
                                           'mtime'  1620295966
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00ebm industrial darkwave goth Bezerk Kathys (Vnv Nation Mix) eid ebm industrial darkwave
                                      'tag_artist'  Apoptygma Berzerk
                                     'tag_release'  Kathy's Song
                                       'tag_title'  Kathy's Song (Victoria mix by
                                             'bpm'  122.141
                                    'search_title'  'by':8 'kathy':1 'kathys':3 'mix':7 's':2 'song':4 'victoria':5,6
                                   'search_artist'  'apoptygma':1 'berzerk':2
                                  'search_release'  'kathy':1 'kathys':3 's':2 'song':4
                                     'search_rest'  '00dwimp':1 '00ebm':2 'bezerk':6 'darkwave':4 'ebm':14 'eid':13 'goth':5 'industrial':3 'kathys':7 'mix':11,12 'nation':10 'vnv':8,9
                                    'search_combo'  '00dwimp':15 '00ebm':16 'apoptygma':9B 'berzerk':10B 'bezerk':20 'by':8A 'darkwave':18 'ebm':28 'eid':27 'goth':19 'industrial':17 'kathy':1A,11C 'kathys':3A,13C,21 'mix':7A,25,26 'nation':24 's':2A,12C 'song':4A,14C 'victoria':5A,6A 'vnv':22,23
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['industrial', 'ebm', 'synthpop', 'electronic', 'futurepop']
                                        'tag_date'  2000
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620295965.61665  (2021-05-06 12:12:45)
                             'size'  11061120