======================== unified (from filesystem) ========================
                                         'bitrate'  '170.264'
                                        'duration'  '114'
                                          'artist'  'Marlene Dietrich'
                                     'text_people'  ''
                                         'release'  'Von Kopf bis Fuß...'
                                           'title'  'Wenn ich mir was wünschen dürfte'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['german', 'cabaret', 'female vocalists', 'oldies', 'deutsch']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '18'
                                            'date'  '1989'
                                        'comments'  ''
                                           'genre'  'prerock-cabaret'
                                             'bpm'  '134.6'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             'F90C4D12'
'TALB' (Album/Movie/Show title)                     'Von Kopf bis Fuß...'
'TBPM' (BPM (beats per minute))                     '134.6'
'TCON' (Content type, a.k.a. Genre)                 'prerock-cabaret'
'TDRC' (Recording time)                             '1989'
'TIT2' (Title/songname/content description)         'Wenn ich mir was wünschen dürfte'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Marlene Dietrich'
'TRCK' (Track number/Position in set)               '5/18'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.92, VBR 3, Stereo, High quality'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['german', 'cabaret', 'female vocalists', 'oldies', 'deutsch']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.45 dB'
'TXXX:replaygain_track_peak'                        '0.500662'

========================== row from database ==========================
                                              'id'  1213838
                                            'path'  /data/Music/Bulk/00instruments-classical/Marlene Dietrich/Von Kopf bis Fu_/Marlene Dietrich - Von Kopf bis Fu_... - 05 - Wenn ich mir was w_nschen d_rfte.mp3
                                         'working'  None
                                         'bitrate'  170
                                    'duration_sec'  114
                                           'genre'  prerock-cabaret
                                        'filesize'  2440954
                                           'mtime'  1620561649
                                   'redo_metaread'  0
                                        'rest_str'   00instruments classical Fu_ Fu_... 05 w_nschen d_rfte prerock cabaret
                                      'tag_artist'  Marlene Dietrich
                                     'tag_release'  Von Kopf bis Fuß...
                                       'tag_title'  Wenn ich mir was wünschen dürfte
                                             'bpm'  134.6
                                    'search_title'  'durfte':7,8 'ich':2 'mir':3 'was':4 'wenn':1 'wunschen':5,6
                                   'search_artist'  'dietrich':2 'marlene':1
                                  'search_release'  'bis':3 'fuss':6,7 'fuß':4,5 'kopf':2 'von':1
                                     'search_rest'  '00instruments':1 'cabaret':10 'classical':2 'd':7 'fu':3,4 'nschen':6 'prerock':9 'rfte':8 'w':5
                                    'search_combo'  '00instruments':18 'bis':13C 'cabaret':27 'classical':19 'd':24 'dietrich':10B 'durfte':7A,8A 'fu':20,21 'fuss':16C,17C 'fuß':14C,15C 'ich':2A 'kopf':12C 'marlene':9B 'mir':3A 'nschen':23 'prerock':26 'rfte':25 'von':11C 'w':22 'was':4A 'wenn':1A 'wunschen':5A,6A
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['german', 'cabaret', 'female vocalists', 'oldies', 'deutsch']
                                        'tag_date'  1989
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620561648.6037228  (2021-05-09 14:00:48)
                             'size'  2440954