======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '166'
                                          'artist'  'Eddy Christiani'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Die Rooirok (Ek Sal Jou Krij) (+ Jacques Gerlagh Trio)'
                                           '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-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['guitar', '40s', 'jazz', '30s', 'dutch']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1941'
                                        'comments'  ''
                                           'genre'  'loc-eur-netherlands;prerock-vocal'
                                             'bpm'  '130.1'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TBPM' (BPM (beats per minute))                     '130.1'
'TCON' (Content type, a.k.a. Genre)                 ['loc-eur-netherlands', 'prerock-vocal']
'TDRC' (Recording time)                             '1941-01'
'TIT2' (Title/songname/content description)         'Die Rooirok (Ek Sal Jou Krij) (+ Jacques Gerlagh Trio)'
'TKEY' (Initial key)                                '12A'
'TLEN' (Length)                                     '166000'
'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-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['guitar', '40s', 'jazz', '30s', 'dutch']
'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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+2.37 dB'
'TXXX:replaygain_track_peak'                        '0.612967'

========================== row from database ==========================
                                              'id'  1475615
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1941/Eddy Christiani - Die Rooirok (Ek Sal Jou Krij) (+ Jacques Gerlagh Trio) -1-1941.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  166
                                           'genre'  loc-eur-netherlands;prerock-vocal
                                        'filesize'  3398637
                                           'mtime'  1621627522
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1941 1 1941 loc eur netherlands;prerock vocal
                                      'tag_artist'  Eddy Christiani
                                     'tag_release'  None
                                       'tag_title'  Die Rooirok (Ek Sal Jou Krij) (+ Jacques Gerlagh Trio)
                                             'bpm'  130.1
                                    'search_title'  'die':1 'ek':3,4 'gerlagh':10 'jacques':9 'jou':6 'krij':7,8 'rooirok':2 'sal':5 'trio':11,12
                                   'search_artist'  'christiani':2 'eddy':1
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1':7 '1941':6 'country':4 'eur':9 'exotica':2 'jazz':1 'loc':8 'netherlands':10,12 'oldies':3 'prerock':11,13 'vocal':14
                                    'search_combo'  '00oldiepop':19 '1':21 '1941':20 'christiani':14B 'country':18 'die':1A 'eddy':13B 'ek':3A,4A 'eur':23 'exotica':16 'gerlagh':10A 'jacques':9A 'jazz':15 'jou':6A 'krij':7A,8A 'loc':22 'netherlands':24,26 'oldies':17 'prerock':25,27 'rooirok':2A 'sal':5A 'trio':11A,12A 'vocal':28
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['guitar', '40s', 'jazz', '30s', 'dutch']
                                        'tag_date'  1941
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621627521.8839905  (2021-05-21 22:05:21)
                             'size'  3398637