======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '139'
                                          'artist'  'Chick Endor'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Sunny Side Up (+ Leonard Joy Orchestra) 24-12-1929'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  '["1920\'s", \'all\', \'singer\', \'crooner\', \'1930\']'
                                     'discogstags'  "['pop', 'vocal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1929'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '119.335'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '119.335'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1929'
'TIT2' (Title/songname/content description)         'Sunny Side Up (+ Leonard Joy Orchestra) 24-12-1929'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Chick Endor'
'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:discogstags'                                  ['pop', 'vocal']
'TXXX:lastfmtags'                                   ["1920's", 'all', 'singer', 'crooner', '1930']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.34 dB'
'TXXX:replaygain_track_peak'                        '0.654518'

========================== row from database ==========================
                                              'id'  679119
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1929/Chick Endor - Sunny Side Up (+ Leonard Joy Orchestra) 24-12-1929.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  139
                                           'genre'  prerock-unsorted
                                        'filesize'  2793205
                                           'mtime'  1621697920
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop prerock unsorted
                                      'tag_artist'  Chick Endor
                                     'tag_release'  None
                                       'tag_title'  Sunny Side Up (+ Leonard Joy Orchestra) 24-12-1929
                                             'bpm'  119.335
                                    'search_title'  '12':9 '1929':10 '24':8 '24121929':11 'joy':5 'leonard':4 'orchestra':6,7 'side':2 'sunny':1 'up':3
                                   'search_artist'  'chick':1 'endor':2
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':6 'unsorted':7
                                    'search_combo'  '00oldiepop':18 '12':9A '1929':10A '24':8A '24121929':11A 'chick':12B 'country':17 'endor':13B 'exotica':15 'jazz':14 'joy':5A 'leonard':4A 'oldies':16 'orchestra':6A,7A 'prerock':19 'side':2A 'sunny':1A 'unsorted':20 'up':3A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ["1920's", 'all', 'singer', 'crooner', '1930']
                                        'tag_date'  1929
                                     'discogstags'  ['pop', 'vocal']

============================== file details ==============================
                                           'mtime'  1621697920.126974  (2021-05-22 17:38:40)
                             'size'  2793205