======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '315'
                                          'artist'  'Velvet Acid Christ'
                                     'text_people'  'Bryan Erickson'
                                         'release'  ''
                                           'title'  ''
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['ebm', 'industrial', 'dark electro', 'electronic', 'darkwave']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'eid-ebm or industrial or darkwave'
                                             'bpm'  '90.090'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'C:\\Program Files\\MusicMatch'
'COMM:MusicMatch_Path:XXX'                          ('C:\\Program Files\\MusicMatch Jukebox 3\\Music\\title\\artist_title_03_Track '
 '03.mp3')
'COMM:MusicMatch_Serial:XXX'                        'E6482E8'
'TBPM' (BPM (beats per minute))                     '90.090'
'TCOM' (Composer)                                   'Bryan Erickson'
'TCON' (Content type, a.k.a. Genre)                 'eid-ebm or industrial or darkwave'
'TDRC' (Recording time)                             '1999'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               ['Velvet Acid Christ', 'Velvet Acid Christ', 'Velvet Acid Christ']
'TPE2' (Band/orchestra/accompaniment)               'Velvet Acid Christ'
'TPUB' (Publisher)                                  'Metropolis'
'TRCK' (Track number/Position in set)               '3'
'TSO2'                                              'Velvet Acid Christ'
'TSOP' (Performer sort order)                       'Velvet Acid Christ'
'TXXX:ALBUM'                                        ['X', 'Fun With Razors', 'Fun With Razors']
'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:TITLE'                                        ['There is No God', 'There is No God', 'There is No God']
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['ebm', 'industrial', 'dark electro', 'electronic', 'darkwave']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.04 dB'
'TXXX:replaygain_track_peak'                        '0.570469'

========================== row from database ==========================
                                              'id'  1391526
                                            'path'  /data/Music/Bulk/00dwimp/00ebm-industrial-darkwave-goth/Velvet Acid Christ/velvet acid christ - there is no god.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  315
                                           'genre'  eid-ebm or industrial or darkwave
                                        'filesize'  5059933
                                           'mtime'  1620296073
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00ebm industrial darkwave goth velvet acid christ there no god eid ebm or industrial or darkwave
                                      'tag_artist'  Velvet Acid Christ
                                     'tag_release'  None
                                       'tag_title'  None
                                             'bpm'  90.09
                                    'search_title'  None
                                   'search_artist'  'acid':2 'christ':3 'velvet':1
                                  'search_release'  
                                     'search_rest'  '00dwimp':1 '00ebm':2 'acid':7 'christ':8 'darkwave':4 'ebm':13 'eid':12 'god':11 'goth':5 'industrial':3 'no':10 'or':14 'there':9 'velvet':6
                                    'search_combo'  '00dwimp':4 '00ebm':5 'acid':2B,10 'christ':3B,11 'darkwave':7 'ebm':16 'eid':15 'god':14 'goth':8 'industrial':6 'no':13 'or':17 'there':12 'velvet':1B,9
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-piano-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['ebm', 'industrial', 'dark electro', 'electronic', 'darkwave']
                                        'tag_date'  1999
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620296073.1555064  (2021-05-06 12:14:33)
                             'size'  5059933