======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '178'
                                          'artist'  'Bert Williams'
                                     'text_people'  ''
                                         'release'  'Columbia A 3589'
                                           'title'  "You Can't Trust Nobody"
                                           '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-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['1900s', 'vaudeville', 'comedy', '78rpm', 'antigua']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1920'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '124.163'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Columbia A 3589'
'TBPM' (BPM (beats per minute))                     '124.163'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1920'
'TIT2' (Title/songname/content description)         "You Can't Trust Nobody"
'TKEY' (Initial key)                                '10B'
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.51 dB'
'TXXX:replaygain_track_peak'                        '0.560173'

========================== row from database ==========================
                                              'id'  1511163
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1920/Bert Williams - You Can_t Trust Nobody 25-10-1920.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  178
                                           'genre'  prerock-vocal
                                        'filesize'  3577650
                                           'mtime'  1620666319
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1920 Can_t 25 10 1920 prerock vocal
                                      'tag_artist'  Bert Williams
                                     'tag_release'  Columbia A 3589
                                       'tag_title'  You Can't Trust Nobody
                                             'bpm'  124.163
                                    'search_title'  'can':2 'cant':4 'nobody':6 't':3 'trust':5 'you':1
                                   'search_artist'  'bert':1 'williams':2
                                  'search_release'  '3589':3 'a':2 'columbia':1
                                     'search_rest'  '00oldiepop':5 '1920':6 '25':9 'can':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':10 't':8 'vocal':11
                                    'search_combo'  '00oldiepop':16 '1920':17 '25':20 '3589':11C 'a':10C 'bert':7B 'can':2A,18 'cant':4A 'columbia':9C 'country':15 'exotica':13 'jazz':12 'nobody':6A 'oldies':14 'prerock':21 't':3A,19 'trust':5A 'vocal':22 'williams':8B 'you':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10B
                                           '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-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['1900s', 'vaudeville', 'comedy', '78rpm', 'antigua']
                                        'tag_date'  1920
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620666318.8163702  (2021-05-10 19:05:18)
                             'size'  3577650