======================== unified (from filesystem) ========================
                                         'bitrate'  '112.0'
                                        'duration'  '175'
                                          'artist'  'VAUGHN DELEATH'
                                     'text_people'  ''
                                         'release'  '20s and 30s popular'
                                           'title'  'I wonder Who'
                                           '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-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['rock and roll', 'all', 'jazz', 'female voices', 'female voices doctort "
 "library']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1925'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '131.926'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     '20s and 30s popular'
'TBPM' (BPM (beats per minute))                     '131.926'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1925'
'TIT2' (Title/songname/content description)         'I wonder Who'
'TKEY' (Initial key)                                '6B'
'TLEN' (Length)                                     '175177'
'TPE1' (Lead performer(s)/Soloist(s))               'VAUGHN DELEATH'
'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'                                   ['rock and roll',
 'all',
 'jazz',
 'female voices',
 'female voices doctort library']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                        '+2.79 dB'
'TXXX:replaygain_track_peak'                        '0.354302'

========================== row from database ==========================
                                              'id'  1155703
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1920s and 1930s popular/Vaughn DeLeath - I wonder Who.mp3
                                         'working'  None
                                         'bitrate'  112
                                    'duration_sec'  175
                                           'genre'  prerock-vocal
                                        'filesize'  2478088
                                           'mtime'  1620666365
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1920s 1930s Vaughn DeLeath prerock vocal
                                      'tag_artist'  VAUGHN DELEATH
                                     'tag_release'  20s and 30s popular
                                       'tag_title'  I wonder Who
                                             'bpm'  131.926
                                    'search_title'  'i':1 'who':3 'wonder':2
                                   'search_artist'  'deleath':2 'vaughn':1
                                  'search_release'  '20s':1 '30s':3 'and':2 'popular':4
                                     'search_rest'  '00oldiepop':5 '1920s':6 '1930s':7 'country':4 'de':12 'deleath':9 'exotica':2 'jazz':1 'leath':13 'oldies':3 'prerock':10 'vaughn':8 'vocal':11
                                    'search_combo'  '00oldiepop':14 '1920s':15 '1930s':16 '20s':6C '30s':8C 'and':7C 'country':13 'de':21 'deleath':5B,18 'exotica':11 'i':1A 'jazz':10 'leath':22 'oldies':12 'popular':9C 'prerock':19 'vaughn':4B,17 'vocal':20 'who':3A 'wonder':2A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  6B
                                           '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-2', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['rock and roll', 'all', 'jazz', 'female voices', 'female voices doctort library']
                                        'tag_date'  1925
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620666364.7331038  (2021-05-10 19:06:04)
                             'size'  2478088