======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '349'
                                          'artist'  'Covenant'
                                     'text_people'  ''
                                         'release'  'Der Leiermann'
                                           'title'  'Der Leiermann (Club Version)'
                                           '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-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['industrial', 'ebm', 'synthpop', 'electronic', 'futurepop']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '4'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'eid-ebm or industrial or darkwave-futurepop'
                                             'bpm'  '128.008'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '4+2D07889D15892E87F88BAC377F'
'COMM:iTunes_CDDB_IDs:eng'                          '4+2D07889D15892E87F88BAC377FE64DCE+821479'
'TALB' (Album/Movie/Show title)                     'Der Leiermann'
'TBPM' (BPM (beats per minute))                     '128.008'
'TCON' (Content type, a.k.a. Genre)                 'eid-ebm or industrial or darkwave-futurepop'
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2000'
'TENC' (Encoded by)                                 'iTunes X v2.0.3'
'TIT2' (Title/songname/content description)         'Der Leiermann (Club Version)'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Covenant'
'TRCK' (Track number/Position in set)               '2/4'
'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'                                       '2'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.11 dB'
'TXXX:replaygain_track_peak'                        '0.414259'

========================== row from database ==========================
                                              'id'  1318811
                                            'path'  /data/Music/Bulk/00poprockelectronic/Covenant/Der Leiermann EP/Covenant - Der Leiermann (Club Version).mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  349
                                           'genre'  eid-ebm or industrial or darkwave-futurepop
                                        'filesize'  6999290
                                           'mtime'  1620296715
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic EP eid ebm or industrial or darkwave futurepop
                                      'tag_artist'  Covenant
                                     'tag_release'  Der Leiermann
                                       'tag_title'  Der Leiermann (Club Version)
                                             'bpm'  128.008
                                    'search_title'  'club':3,4 'der':1 'leiermann':2 'version':5,6
                                   'search_artist'  'covenant':1
                                  'search_release'  'der':1 'leiermann':2
                                     'search_rest'  '00poprockelectronic':1 'darkwave':7 'ebm':4 'eid':3 'ep':2 'futurepop':8 'industrial':6 'or':5
                                    'search_combo'  '00poprockelectronic':10 'club':3A,4A 'covenant':7B 'darkwave':16 'der':1A,8C 'ebm':13 'eid':12 'ep':11 'futurepop':17 'industrial':15 'leiermann':2A,9C 'or':14 'version':5A,6A
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', '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-2', 'Q-HAP-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['industrial', 'ebm', 'synthpop', 'electronic', 'futurepop']
                                        'tag_date'  2000
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620296714.5582635  (2021-05-06 12:25:14)
                             'size'  6999290