======================== unified (from filesystem) ========================
                                         'bitrate'  '165.169'
                                        'duration'  '174'
                                          'artist'  'Duke Ellington & His Famous Orchestra'
                                     'text_people'  ''
                                         'release'  'Sophisticated Lady Cd 2'
                                           'title'  'Daybreak Express'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz', 'swing', 'big band', 'piano', 'blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  ''
                                            'date'  '1934'
                                        'comments'  ''
                                           'genre'  'prerock-band'
                                             'bpm'  '139.083'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'Debuted 2/17/1934 and peaked at #20 on Various Charts. Source: Pop Memories'
'COMM:ID3v1 Comment:XXX'                            'Debuted 2/17/1934 and peaked'
'TALB' (Album/Movie/Show title)                     'Sophisticated Lady Cd 2'
'TBPM' (BPM (beats per minute))                     '139.083'
'TCON' (Content type, a.k.a. Genre)                 'prerock-band'
'TDRC' (Recording time)                             '1934'
'TIT2' (Title/songname/content description)         'Daybreak Express'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Duke Ellington & His Famous Orchestra'
'TRCK' (Track number/Position in set)               '18'
'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', 'big band', 'piano', 'blues']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.33 dB'
'TXXX:replaygain_track_peak'                        '0.500527'

========================== row from database ==========================
                                              'id'  1455610
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1934/Daybreak Expres - Duke Ellington and His Famous Orchestra.mp3
                                         'working'  None
                                         'bitrate'  165
                                    'duration_sec'  174
                                           'genre'  prerock-band
                                        'filesize'  3608028
                                           'mtime'  1620560215
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1934 and prerock band
                                      'tag_artist'  Duke Ellington & His Famous Orchestra
                                     'tag_release'  Sophisticated Lady Cd 2
                                       'tag_title'  Daybreak Express
                                             'bpm'  139.083
                                    'search_title'  'daybreak':1 'express':2
                                   'search_artist'  'duke':1 'ellington':2 'famous':4 'his':3 'orchestra':5
                                  'search_release'  '2':4 'cd':3 'lady':2 'sophisticated':1
                                     'search_rest'  '00oldiepop':5 '1934':6 'and':7 'band':9 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':8
                                    'search_combo'  '00oldiepop':16 '1934':17 '2':11C 'and':18 'band':20 'cd':10C 'country':15 'daybreak':1A 'duke':3B 'ellington':4B 'exotica':13 'express':2A 'famous':6B 'his':5B 'jazz':12 'lady':9C 'oldies':14 'orchestra':7B 'prerock':19 'sophisticated':8C
                                    'tag_tracknum'  18
                                      'num_images'  0
                                             'key'  4A
                                           '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-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['jazz', 'swing', 'big band', 'piano', 'blues']
                                        'tag_date'  1934
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620560214.708873  (2021-05-09 13:36:54)
                             'size'  3608028