======================== unified (from filesystem) ========================
                                         'bitrate'  '249.407'
                                        'duration'  '197'
                                          'artist'  'Deadstar Assembly'
                                     'text_people'  ''
                                         'release'  'Unsaved'
                                           'title'  'Insurrection'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  ("['industrial metal', 'industrial', 'metal', 'gothic', 'industrial rock', "
 "'electronic']")
                                     'discogstags'  "['industrial', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '15'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'eid-ebm or industrial or darkwave-industrial'
                                             'bpm'  '140.044'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'Lbl:a LabeL  C:AL 0013.2'
'COMM:ID3v1 Comment:XXX'                            'Lbl:a LabeL  C:AL 0013.2'
'COMM:iTunNORM:eng'                                 (' 00001386 00001182 00003350 00002523 00026E63 00026E63 00008000 00008000 '
 '00002728 00002728')
'TALB' (Album/Movie/Show title)                     'Unsaved'
'TBPM' (BPM (beats per minute))                     '140.044'
'TCON' (Content type, a.k.a. Genre)                 'eid-ebm or industrial or darkwave-industrial'
'TDRC' (Recording time)                             '2006'
'TENC' (Encoded by)                                 'Lame 3.90.3 Mod'
'TIT2' (Title/songname/content description)         'Insurrection'
'TKEY' (Initial key)                                '10A'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Deadstar Assembly'
'TRCK' (Track number/Position in set)               '12/15'
'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'                                  ['industrial', 'rock']
'TXXX:lastfmtags'                                   ['industrial metal',
 'industrial',
 'metal',
 'gothic',
 'industrial rock',
 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.73 dB'
'TXXX:replaygain_track_peak'                        '0.451095'

========================== row from database ==========================
                                              'id'  1339130
                                            'path'  /data/Music/Bulk/00poprockelectronic/Deadstar Assembly/Unsaved/12 Insurrection.mp3
                                         'working'  None
                                         'bitrate'  249
                                    'duration_sec'  197
                                           'genre'  eid-ebm or industrial or darkwave-industrial
                                        'filesize'  6148997
                                           'mtime'  1620298515
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 12 eid ebm or industrial or darkwave industrial
                                      'tag_artist'  Deadstar Assembly
                                     'tag_release'  Unsaved
                                       'tag_title'  Insurrection
                                             'bpm'  140.044
                                    'search_title'  'insurrection':1
                                   'search_artist'  'assembly':2 'deadstar':1
                                  'search_release'  'unsaved':1
                                     'search_rest'  '00poprockelectronic':1 'darkwave':6 'ebm':3 'eid':2 'industrial':5 'or':4
                                    'search_combo'  '00poprockelectronic':5 'assembly':3B 'darkwave':10 'deadstar':2B 'ebm':7 'eid':6 'industrial':9 'insurrection':1A 'or':8 'unsaved':4C
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['industrial metal', 'industrial', 'metal', 'gothic', 'industrial rock', 'electronic']
                                        'tag_date'  2006
                                     'discogstags'  ['industrial', 'rock']

============================== file details ==============================
                                           'mtime'  1620298515.3665147  (2021-05-06 12:55:15)
                             'size'  6148997