======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '192'
                                          'artist'  'Helma & Selma'
                                     'text_people'  ''
                                         'release'  'Philips P 17095 H'
                                           'title'  'Ben Je Nou Be Tie Ta Toeterd'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['ambiance', 'nederlandstalig', 'nederlands', 'fout']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1952'
                                        'comments'  ''
                                           'genre'  'loc-eur-netherlands;prerock-vocal'
                                             'bpm'  '129.068'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Philips P 17095 H'
'TBPM' (BPM (beats per minute))                     '129.068'
'TCON' (Content type, a.k.a. Genre)                 ['loc-eur-netherlands', 'prerock-vocal']
'TDRC' (Recording time)                             '1952'
'TIT2' (Title/songname/content description)         'Ben Je Nou Be Tie Ta Toeterd'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Helma & Selma'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['ambiance', 'nederlandstalig', 'nederlands', 'fout']
'TXXX:q-bass'                                       '2'
'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-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.79 dB'
'TXXX:replaygain_track_peak'                        '0.334162'

========================== row from database ==========================
                                              'id'  1452760
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1952/Helma & Selma - Ben Je Nou Be Tie Ta Toeterd 27-5-1952.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  192
                                           'genre'  loc-eur-netherlands;prerock-vocal
                                        'filesize'  3861066
                                           'mtime'  1621627768
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1952 27 1952 loc eur netherlands;prerock vocal
                                      'tag_artist'  Helma & Selma
                                     'tag_release'  Philips P 17095 H
                                       'tag_title'  Ben Je Nou Be Tie Ta Toeterd
                                             'bpm'  129.068
                                    'search_title'  'be':4 'ben':1 'je':2 'nou':3 'ta':6 'tie':5 'toeterd':7
                                   'search_artist'  'helma':1 'selma':2
                                  'search_release'  '17095':3 'h':4 'p':2 'philips':1
                                     'search_rest'  '00oldiepop':5 '1952':6 '27':7 'country':4 'eur':9 'exotica':2 'jazz':1 'loc':8 'netherlands':10,12 'oldies':3 'prerock':11,13 'vocal':14
                                    'search_combo'  '00oldiepop':18 '17095':12C '1952':19 '27':20 'be':4A 'ben':1A 'country':17 'eur':22 'exotica':15 'h':13C 'helma':8B 'jazz':14 'je':2A 'loc':21 'netherlands':23,25 'nou':3A 'oldies':16 'p':11C 'philips':10C 'prerock':24,26 'selma':9B 'ta':6A 'tie':5A 'toeterd':7A 'vocal':27
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-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-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['ambiance', 'nederlandstalig', 'nederlands', 'fout']
                                        'tag_date'  1952
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621627767.8853831  (2021-05-21 22:09:27)
                             'size'  3861066