======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '141'
                                          'artist'  'Phil Green'
                                     'text_people'  ''
                                         'release'  'HMV BD- 641'
                                           'title'  'Nola (New Mayfair Novelty Orchestra) \x1312-1938'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['trance', 'american', 'electronic', 'hard trance', 'progressive trance']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1938'
                                        'comments'  ''
                                           'genre'  'prerock-band'
                                             'bpm'  '117.262'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'GEOB:SfMarkers'                                    GEOB(encoding=<Encoding.LATIN1: 0>, mime='', filename='', desc='SfMarkers', data=b'\x0c\x00\x00\x00d\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'HMV BD- 641'
'TBPM' (BPM (beats per minute))                     '117.262'
'TCON' (Content type, a.k.a. Genre)                 'prerock-band'
'TDRC' (Recording time)                             '1938'
'TIT2' (Title/songname/content description)         'Nola (New Mayfair Novelty Orchestra) \x1312-1938'
'TKEY' (Initial key)                                '11B'
'TLEN' (Length)                                     '141000'
'TPE1' (Lead performer(s)/Soloist(s))               'Phil Green'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['trance', 'american', 'electronic', 'hard trance', 'progressive trance']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.55 dB'
'TXXX:replaygain_track_peak'                        '0.642098'

========================== row from database ==========================
                                              'id'  1438693
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1938/Phil Green - Nola (New Mayfair Novelty Orchestra) –12-1938.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  141
                                           'genre'  prerock-band
                                        'filesize'  2838946
                                           'mtime'  1620560677
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop –12 prerock band
                                      'tag_artist'  Phil Green
                                     'tag_release'  HMV BD- 641
                                       'tag_title'  Nola (New Mayfair Novelty Orchestra) 12-1938
                                             'bpm'  117.262
                                    'search_title'  '12':8 '121938':10 '1938':9 'mayfair':4 'new':2,3 'nola':1 'novelty':5 'orchestra':6,7
                                   'search_artist'  'green':2 'phil':1
                                  'search_release'  '641':4 'bd':2,3 'hmv':1
                                     'search_rest'  '00oldiepop':5 '12':6 'band':8 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':7
                                    'search_combo'  '00oldiepop':21 '12':8A,22 '121938':10A '1938':9A '641':16C 'band':24 'bd':14C,15C 'country':20 'exotica':18 'green':12B 'hmv':13C 'jazz':17 'mayfair':4A 'new':2A,3A 'nola':1A 'novelty':5A 'oldies':19 'orchestra':6A,7A 'phil':11B 'prerock':23
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['trance', 'american', 'electronic', 'hard trance', 'progressive trance']
                                        'tag_date'  1938
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620560676.8120427  (2021-05-09 13:44:36)
                             'size'  2838946