======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '127'
                                          'artist'  'Eddy Christiani'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Bouquetje Rode Rozen'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-3', 'Q-PLAY-2', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-vocals-3', 'q-mixbeat-1', "
 "'Q-PIANO-2']")
                                      'lastfmtags'  "['guitar', '40s', 'jazz', '30s', 'dutch']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1949'
                                        'comments'  ''
                                           'genre'  'loc-eur-netherlands;prerock-vocal'
                                             'bpm'  '95.664'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '95.664'
'TCON' (Content type, a.k.a. Genre)                 ['loc-eur-netherlands', 'prerock-vocal']
'TDRC' (Recording time)                             '1949'
'TIT2' (Title/songname/content description)         'Bouquetje Rode Rozen'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Eddy Christiani'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['guitar', '40s', 'jazz', '30s', 'dutch']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.14 dB'
'TXXX:replaygain_track_peak'                        '0.565347'

========================== row from database ==========================
                                              'id'  1454819
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1949/Eddy Christiani - Bouquetje Rode Rozen 1949.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  127
                                           'genre'  loc-eur-netherlands;prerock-vocal
                                        'filesize'  2547506
                                           'mtime'  1621627653
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1949 1949 loc eur netherlands;prerock vocal
                                      'tag_artist'  Eddy Christiani
                                     'tag_release'  None
                                       'tag_title'  Bouquetje Rode Rozen
                                             'bpm'  95.664
                                    'search_title'  'bouquetje':1 'rode':2 'rozen':3
                                   'search_artist'  'christiani':2 'eddy':1
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1949':6 'country':4 'eur':8 'exotica':2 'jazz':1 'loc':7 'netherlands':9,11 'oldies':3 'prerock':10,12 'vocal':13
                                    'search_combo'  '00oldiepop':10 '1949':11 'bouquetje':1A 'christiani':5B 'country':9 'eddy':4B 'eur':13 'exotica':7 'jazz':6 'loc':12 'netherlands':14,16 'oldies':8 'prerock':15,17 'rode':2A 'rozen':3A 'vocal':18
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['guitar', '40s', 'jazz', '30s', 'dutch']
                                        'tag_date'  1949
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621627653.0179617  (2021-05-21 22:07:33)
                             'size'  2547506