======================== unified (from filesystem) ========================
                                         'bitrate'  '205.196'
                                        'duration'  '267'
                                          'artist'  'Peter Fox'
                                     'text_people'  ''
                                         'release'  'Alles Neu CDM'
                                           'title'  'Fieber (feat. K.I.Z.)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-3', 'Q-OLDST-3', "
 "'Q-LOCALNESS-2', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['german', 'reggae', 'seeed', 'dancehall', 'hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '121.921'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 0000139B 0000107F 0000E746'
'COMM:iTunNORM:eng'                                 (' 0000139B 0000107F 0000E746 0000DD9C 00008041 00008410 00008000 00008000 '
 '00005CCA 00005D83')
'TALB' (Album/Movie/Show title)                     'Alles Neu CDM'
'TBPM' (BPM (beats per minute))                     '121.921'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2008'
'TENC' (Encoded by)                                 'lame'
'TIT2' (Title/songname/content description)         'Fieber (feat. K.I.Z.)'
'TKEY' (Initial key)                                '10A'
'TLAN' (Language(s))                                'german'
'TPE1' (Lead performer(s)/Soloist(s))               'Peter Fox'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['german', 'reggae', 'seeed', 'dancehall', 'hip hop']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.21 dB'
'TXXX:replaygain_track_peak'                        '0.380104'

========================== row from database ==========================
                                              'id'  1491525
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00dutch/03-peter_fox_-_fieber_(feat _k i z )-ysp.mp3
                                         'working'  None
                                         'bitrate'  205
                                    'duration_sec'  267
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  6875650
                                           'mtime'  1620592389
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00dutch 03 peter_fox_ _fieber_(feat _k z ysp hip hop or rnb or rap or turntablism
                                      'tag_artist'  Peter Fox
                                     'tag_release'  Alles Neu CDM
                                       'tag_title'  Fieber (feat. K.I.Z.)
                                             'bpm'  121.921
                                    'search_title'  'feat':2,3 'fieber':1 'i':5 'k':4 'kiz':7 'z':6
                                   'search_artist'  'fox':2 'peter':1
                                  'search_release'  'alles':1 'cdm':3 'neu':2
                                     'search_rest'  '00dutch':4 '00mid':1 'europe':3 'feat':8,10 'fieber':7,9 'fox':6 'hip':14 'hop':15 'k':11 'north':2 'or':16 'peter':5 'rap':18 'rnb':17 'turntablism':19 'ysp':13 'z':12
                                    'search_combo'  '00dutch':16 '00mid':13 'alles':10C 'cdm':12C 'europe':15 'feat':2A,3A,20,22 'fieber':1A,19,21 'fox':9B,18 'hip':26 'hop':27 'i':5A 'k':4A,23 'kiz':7A 'neu':11C 'north':14 'or':28 'peter':8B,17 'rap':30 'rnb':29 'turntablism':31 'ysp':25 'z':6A,24
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['german', 'reggae', 'seeed', 'dancehall', 'hip hop']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620592388.985623  (2021-05-09 22:33:08)
                             'size'  6875650