======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '180'
                                          'artist'  'Zarah Leander'
                                     'text_people'  ''
                                         'release'  'Odeon O- 4654'
                                           'title'  'Es Gibt Keine Frau Die Nicht Lügt'
                                           '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-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['german', 'chanson', 'cabaret', 'female vocalists', 'myhitparade']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1950'
                                        'comments'  ''
                                           'genre'  'prerock-cabaret'
                                             'bpm'  '145.0'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TALB' (Album/Movie/Show title)                     'Odeon O- 4654'
'TBPM' (BPM (beats per minute))                     '145.0'
'TCON' (Content type, a.k.a. Genre)                 'prerock-cabaret'
'TDRC' (Recording time)                             '1950-02-05'
'TIT2' (Title/songname/content description)         'Es Gibt Keine Frau Die Nicht Lügt'
'TKEY' (Initial key)                                '9A'
'TLEN' (Length)                                     '180000'
'TPE1' (Lead performer(s)/Soloist(s))               'Zarah Leander'
'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', 'chanson', 'cabaret', 'female vocalists', 'myhitparade']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.20 dB'
'TXXX:replaygain_track_peak'                        '0.557261'

========================== row from database ==========================
                                              'id'  1460359
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1950/Zarah Leander - Es Gibt Keine Frau Die Nicht Lügt 5-2-1950.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  180
                                           'genre'  prerock-cabaret
                                        'filesize'  3640049
                                           'mtime'  1620561254
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1950 2 1950 prerock cabaret
                                      'tag_artist'  Zarah Leander
                                     'tag_release'  Odeon O- 4654
                                       'tag_title'  Es Gibt Keine Frau Die Nicht Lügt
                                             'bpm'  145.0
                                    'search_title'  'die':5 'es':1 'frau':4 'gibt':2 'keine':3 'lugt':7,8 'nicht':6
                                   'search_artist'  'leander':2 'zarah':1
                                  'search_release'  '4654':4 'o':2,3 'odeon':1
                                     'search_rest'  '00oldiepop':5 '1950':6 '2':7 'cabaret':9 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':8
                                    'search_combo'  '00oldiepop':19 '1950':20 '2':21 '4654':14C 'cabaret':23 'country':18 'die':5A 'es':1A 'exotica':16 'frau':4A 'gibt':2A 'jazz':15 'keine':3A 'leander':10B 'lugt':7A,8A 'nicht':6A 'o':12C,13C 'odeon':11C 'oldies':17 'prerock':22 'zarah':9B
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['german', 'chanson', 'cabaret', 'female vocalists', 'myhitparade']
                                        'tag_date'  1950
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620561253.594183  (2021-05-09 13:54:13)
                             'size'  3640049