======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '177'
                                          'artist'  'Six Brown Brothers'
                                     'text_people'  ''
                                         'release'  '[non-album tracks]'
                                           'title'  "I'll Say She Does"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-LOCALNESS-2', '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-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['acid house', 'all', 'jazz', 'ragtime', 'house']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1919'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '125.860'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '[non-album tracks]'
'TBPM' (BPM (beats per minute))                     '125.860'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1919'
'TIT2' (Title/songname/content description)         "I'll Say She Does"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Six Brown Brothers'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['acid house', 'all', 'jazz', 'ragtime', 'house']
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.89 dB'
'TXXX:replaygain_track_peak'                        '0.710751'

========================== row from database ==========================
                                              'id'  1516235
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1919/Six Brown Brothers - I_ll Say She Does -7-1919.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  177
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  3559077
                                           'mtime'  1620524115
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1919 I_ll 7 1919 prerock jb jazz unsorted
                                      'tag_artist'  Six Brown Brothers
                                     'tag_release'  [non-album tracks]
                                       'tag_title'  I'll Say She Does
                                             'bpm'  125.86
                                    'search_title'  'does':6 'i':1 'ill':3 'll':2 'say':4 'she':5
                                   'search_artist'  'brothers':3 'brown':2 'six':1
                                  'search_release'  'album':2 'non':1 'nonalbum':3 'tracks':4,5
                                     'search_rest'  '00oldiepop':5 '1919':6 '7':9 'country':4 'exotica':2 'i':7 'jazz':1 'jb':11 'll':8 'oldies':3 'prerock':10 'unsorted':12
                                    'search_combo'  '00oldiepop':19 '1919':20 '7':23 'album':11C 'brothers':9B 'brown':8B 'country':18 'does':6A 'exotica':16 'i':1A,21 'ill':3A 'jazz':15 'jb':25 'll':2A,22 'non':10C 'nonalbum':12C 'oldies':17 'prerock':24 'say':4A 'she':5A 'six':7B 'tracks':13C,14C 'unsorted':26
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', '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'  ['acid house', 'all', 'jazz', 'ragtime', 'house']
                                        'tag_date'  1919
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620524115.235223  (2021-05-09 03:35:15)
                             'size'  3559077