======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '143'
                                          'artist'  'AVRO Dansorkest Hans Mossel'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "There's No Two Ways About It (vocal - Annie De Reuver)"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz', 'swing', 'dutch', 'big band']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1937'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '101.8'
                                             'key'  '6A'
                                        '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))                     '101.8'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1937-04-26'
'TIT2' (Title/songname/content description)         "There's No Two Ways About It (vocal - Annie De Reuver)"
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '143000'
'TPE1' (Lead performer(s)/Soloist(s))               'AVRO Dansorkest Hans Mossel'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['jazz', 'swing', 'dutch', 'big band']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+2.19 dB'
'TXXX:replaygain_track_peak'                        '0.539988'

========================== row from database ==========================
                                              'id'  1506795
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1937/AVRO Dansorkest Hans Mossel - There_s No Two Ways About It (vocal - Annie de Reuver) 26-4-1937.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  143
                                           'genre'  prerock-vocal
                                        'filesize'  2948368
                                           'mtime'  1620666462
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1937 There_s de 26 4 1937 prerock
                                      'tag_artist'  AVRO Dansorkest Hans Mossel
                                     'tag_release'  None
                                       'tag_title'  There's No Two Ways About It (vocal - Annie De Reuver)
                                             'bpm'  101.8
                                    'search_title'  'about':7 'annie':11 'de':12 'it':8 'no':4 'reuver':13,14 's':2 'there':1 'theres':3 'two':5 'vocal':9,10 'ways':6
                                   'search_artist'  'avro':1 'dansorkest':2 'hans':3 'mossel':4
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1937':6 '26':10 '4':11 'country':4 'de':9 'exotica':2 'jazz':1 'oldies':3 'prerock':12 's':8 'there':7
                                    'search_combo'  '00oldiepop':23 '1937':24 '26':28 '4':29 'about':7A 'annie':11A 'avro':15B 'country':22 'dansorkest':16B 'de':12A,27 'exotica':20 'hans':17B 'it':8A 'jazz':19 'mossel':18B 'no':4A 'oldies':21 'prerock':30 'reuver':13A,14A 's':2A,26 'there':1A,25 'theres':3A 'two':5A 'vocal':9A,10A 'ways':6A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', '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-1']
                                      'lastfmtags'  ['jazz', 'swing', 'dutch', 'big band']
                                        'tag_date'  1937
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620666461.64048  (2021-05-10 19:07:41)
                             'size'  2948368