======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '175'
                                          'artist'  'Duke Ellington & His Famous Orchestra & Ray Nance'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  ('129 A slip of the lip - Duke Ellington & His Famous Orchestra & Ray Nance '
 '(6-11-1943)')
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '129'
                                      'tracktotal'  ''
                                            'date'  '1943'
                                        'comments'  ''
                                           'genre'  'prerock-band'
                                             'bpm'  '144.748'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '144.748'
'TCON' (Content type, a.k.a. Genre)                 'prerock-band'
'TDRC' (Recording time)                             '1943'
'TIT2' (Title/songname/content description)         ('129 A slip of the lip - Duke Ellington & His Famous Orchestra & Ray Nance '
 '(6-11-1943)')
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Duke Ellington & His Famous Orchestra & Ray Nance'
'TRCK' (Track number/Position in set)               '129'
'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:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.21 dB'
'TXXX:replaygain_track_peak'                        '0.347606'

========================== row from database ==========================
                                              'id'  1455108
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1943/129 A slip of the lip - Duke Ellington & His Famous Orchestra & Ray Nance (6-11-1943).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  175
                                           'genre'  prerock-band
                                        'filesize'  2810380
                                           'mtime'  1620561055
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop prerock band
                                      'tag_artist'  Duke Ellington & His Famous Orchestra & Ray Nance
                                     'tag_release'  None
                                       'tag_title'  129 A slip of the lip - Duke Ellington & His Famous Orchestra & Ray Nance (6-11-1943)
                                             'bpm'  144.748
                                    'search_title'  '11':15 '129':1 '1943':16 '6':14 '6111943':17 'a':2 'duke':7 'ellington':8 'famous':10 'his':9 'lip':6 'nance':13 'of':4 'orchestra':11 'ray':12 'slip':3 'the':5
                                   'search_artist'  'duke':1 'ellington':2 'famous':4 'his':3 'nance':7 'orchestra':5 'ray':6
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 'band':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':6
                                    'search_combo'  '00oldiepop':29 '11':15A '129':1A '1943':16A '6':14A '6111943':17A 'a':2A 'band':31 'country':28 'duke':7A,18B 'ellington':8A,19B 'exotica':26 'famous':10A,21B 'his':9A,20B 'jazz':25 'lip':6A 'nance':13A,24B 'of':4A 'oldies':27 'orchestra':11A,22B 'prerock':30 'ray':12A,23B 'slip':3A 'the':5A
                                    'tag_tracknum'  129
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1943
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620561054.7039554  (2021-05-09 13:50:54)
                             'size'  2810380