======================== unified (from filesystem) ========================
                                         'bitrate'  '178.944'
                                        'duration'  '531'
                                          'artist'  'Kraftwerk'
                                     'text_people'  ''
                                         'release'  'Minimum Maximum'
                                           'title'  'Autobahn (Berlin)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['german', 'electronica', 'electro', 'electronic', 'synthpop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-we-electropop or synthpop'
                                             'bpm'  '84.315'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000688 000006FD 00001896'
'COMM:iTunNORM:eng'                                 (' 00000688 000006FD 00001896 00001A22 0003EEEF 0003EEEF 000078B9 00008000 '
 '00028A57 00074ADD')
'TALB' (Album/Movie/Show title)                     'Minimum Maximum'
'TBPM' (BPM (beats per minute))                     '84.315'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electropop or synthpop'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Autobahn (Berlin)'
'TKEY' (Initial key)                                '10B'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Kraftwerk'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['german', 'electronica', 'electro', 'electronic', 'synthpop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.24 dB'
'TXXX:replaygain_track_peak'                        '0.513598'

========================== row from database ==========================
                                              'id'  1326870
                                            'path'  /data/Music/Bulk/00poprockelectronic/Kraftwerk/Minimum Maximum/08 Autobahn (Berlin).mp3
                                         'working'  None
                                         'bitrate'  178
                                    'duration_sec'  531
                                           'genre'  electronic-we-electropop or synthpop
                                        'filesize'  11893955
                                           'mtime'  1628353787
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 08 electronic electropop or synthpop
                                      'tag_artist'  Kraftwerk
                                     'tag_release'  Minimum Maximum
                                       'tag_title'  Autobahn (Berlin)
                                             'bpm'  84.315
                                    'search_title'  'autobahn':1 'berlin':2,3
                                   'search_artist'  'kraftwerk':1
                                  'search_release'  'maximum':2 'minimum':1
                                     'search_rest'  '00poprockelectronic':1 'electronic':2 'electropop':3 'or':4 'synthpop':5
                                    'search_combo'  '00poprockelectronic':7 'autobahn':1A 'berlin':2A,3A 'electronic':8 'electropop':9 'kraftwerk':4B 'maximum':6C 'minimum':5C 'or':10 'synthpop':11
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-4', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['german', 'electronica', 'electro', 'electronic', 'synthpop']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628353787.1603894  (2021-08-07 18:29:47)
                             'size'  11893955