======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '221'
                                          'artist'  'Bert Williams'
                                     'text_people'  ''
                                         'release'  'Columbia A 6141'
                                           'title'  "Elder Eatmore's Sermon On Generosity"
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                                      'lastfmtags'  "['1900s', 'vaudeville', 'comedy', '78rpm', 'antigua']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1919'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '103.325'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Columbia A 6141'
'TBPM' (BPM (beats per minute))                     '103.325'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1919'
'TIT2' (Title/songname/content description)         "Elder Eatmore's Sermon On Generosity"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bert Williams'
'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'                                   ['1900s', 'vaudeville', 'comedy', '78rpm', 'antigua']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.68 dB'
'TXXX:replaygain_track_peak'                        '0.669365'

========================== row from database ==========================
                                              'id'  1509564
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1919/Bert Williams - Elder Eatmore_s Sermon On Generosity 27-6-1919.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  221
                                           'genre'  prerock-vocal
                                        'filesize'  4433714
                                           'mtime'  1620666296
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1919 Eatmore_s 27 1919 prerock vocal
                                      'tag_artist'  Bert Williams
                                     'tag_release'  Columbia A 6141
                                       'tag_title'  Elder Eatmore's Sermon On Generosity
                                             'bpm'  103.325
                                    'search_title'  'eatmore':2 'eatmores':4 'elder':1 'generosity':7 'on':6 's':3 'sermon':5
                                   'search_artist'  'bert':1 'williams':2
                                  'search_release'  '6141':3 'a':2 'columbia':1
                                     'search_rest'  '00oldiepop':5 '1919':6 '27':9 'country':4 'eatmore':7 'exotica':2 'jazz':1 'oldies':3 'prerock':10 's':8 'vocal':11
                                    'search_combo'  '00oldiepop':17 '1919':18 '27':21 '6141':12C 'a':11C 'bert':8B 'columbia':10C 'country':16 'eatmore':2A,19 'eatmores':4A 'elder':1A 'exotica':14 'generosity':7A 'jazz':13 'oldies':15 'on':6A 'prerock':22 's':3A,20 'sermon':5A 'vocal':23 'williams':9B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             '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-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['1900s', 'vaudeville', 'comedy', '78rpm', 'antigua']
                                        'tag_date'  1919
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620666296.0077586  (2021-05-10 19:04:56)
                             'size'  4433714