======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '171'
                                          'artist'  "Kendle's First Regiment Band"
                                     'text_people'  ''
                                         'release'  'Victor Monarch 3218'
                                           'title'  'Cotton Blossoms'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1901'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '106.252'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Victor Monarch 3218'
'TBPM' (BPM (beats per minute))                     '106.252'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1901'
'TIT2' (Title/songname/content description)         'Cotton Blossoms'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               "Kendle's First Regiment Band"
'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:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.02 dB'
'TXXX:replaygain_track_peak'                        '0.465306'

========================== row from database ==========================
                                              'id'  1499664
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1901/Kendle_s First Regiment Band - Cotton Blossoms 28-3-1901.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  171
                                           'genre'  prerock-unsorted
                                        'filesize'  3440434
                                           'mtime'  1621697567
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1901 Kendle_s 28 1901 prerock unsorted
                                      'tag_artist'  Kendle's First Regiment Band
                                     'tag_release'  Victor Monarch 3218
                                       'tag_title'  Cotton Blossoms
                                             'bpm'  106.252
                                    'search_title'  'blossoms':2 'cotton':1
                                   'search_artist'  'band':6 'first':4 'kendle':1 'kendles':3 'regiment':5 's':2
                                  'search_release'  '3218':3 'monarch':2 'victor':1
                                     'search_rest'  '00oldiepop':5 '1901':6 '28':9 'country':4 'exotica':2 'jazz':1 'kendle':7 'oldies':3 'prerock':10 's':8 'unsorted':11
                                    'search_combo'  '00oldiepop':16 '1901':17 '28':20 '3218':11C 'band':8B 'blossoms':2A 'cotton':1A 'country':15 'exotica':13 'first':6B 'jazz':12 'kendle':3B,18 'kendles':5B 'monarch':10C 'oldies':14 'prerock':21 'regiment':7B 's':4B,19 'unsorted':22 'victor':9C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           '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-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1901
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621697567.3182487  (2021-05-22 17:32:47)
                             'size'  3440434