======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '35'
                                          'artist'  'Lustige Mutanten'
                                     'text_people'  ''
                                         'release'  'Unpop'
                                           'title'  'Worte 2'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['deutschsprachiger musik', 'new wave', 'spapkatosh', 'handclaps', 'minimal']"
                                     'discogstags'  "['new wave', 'electronic', 'minimal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '08'
                                      'tracktotal'  '13'
                                            'date'  '1981'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '105.3'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 000002E7 00000266 00005ED7 00005820 00003805 00003805 00007EAC 0000839C '
 '000072E5 000072E5')
'COMM:iTunPGAP:eng'                                 '0'
'TALB' (Album/Movie/Show title)                     'Unpop'
'TBPM' (BPM (beats per minute))                     '105.3'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '1981'
'TIT2' (Title/songname/content description)         'Worte 2'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Lustige Mutanten'
'TRCK' (Track number/Position in set)               '08/13'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:discogstags'                                  ['new wave', 'electronic', 'minimal']
'TXXX:lastfmtags'                                   ['deutschsprachiger musik', 'new wave', 'spapkatosh', 'handclaps', 'minimal']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.46 dB'
'TXXX:replaygain_track_peak'                        '0.716258'

========================== row from database ==========================
                                              'id'  1120508
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/LUSTIGE MUTANTEN-UNPOP, 7 EP, 1981, GERMANY/08 Worte 2.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  35
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  1143228
                                           'mtime'  1636915679
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm LUSTIGE MUTANTEN UNPOP, 7 EP, 1981, GERMANY 08 electronic experimental oddness
                                      'tag_artist'  Lustige Mutanten
                                     'tag_release'  Unpop
                                       'tag_title'  Worte 2
                                             'bpm'  105.3
                                    'search_title'  '2':2 'worte':1
                                   'search_artist'  'lustige':1 'mutanten':2
                                  'search_release'  'unpop':1
                                     'search_rest'  '1981':8,9 '7':5 'electronic':11 'ep':6,7 'experimental':12 'germany':10 'lustige':1 'mutanten':2 'oddness':13 'unpop':3,4
                                    'search_combo'  '1981':13,14 '2':2A '7':10 'electronic':16 'ep':11,12 'experimental':17 'germany':15 'lustige':3B,6 'mutanten':4B,7 'oddness':18 'unpop':5C,8,9 'worte':1A
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-1', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['deutschsprachiger musik', 'new wave', 'spapkatosh', 'handclaps', 'minimal']
                                        'tag_date'  1981
                                     'discogstags'  ['new wave', 'electronic', 'minimal']

============================== file details ==============================
                                           'mtime'  1636915679.220619  (2021-11-14 19:47:59)
                             'size'  1143228