======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '185'
                                          'artist'  'Albert Campbell & Henry Burr'
                                     'text_people'  ''
                                         'release'  'Victor 18975'
                                           'title'  'Carry Me Back To My Carolina Home (+ Rudy Wiedoeft)'
                                           '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']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  ''
                                            'date'  '1923'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '121.9'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'COMM:MusicMatch_Tempo:eng'                         'None'
'TALB' (Album/Movie/Show title)                     'Victor 18975'
'TBPM' (BPM (beats per minute))                     '121.9'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1923-03-03'
'TIT2' (Title/songname/content description)         'Carry Me Back To My Carolina Home (+ Rudy Wiedoeft)'
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '185000'
'TPE1' (Lead performer(s)/Soloist(s))               'Albert Campbell & Henry Burr'
'TRCK' (Track number/Position in set)               '16'
'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'                                       '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'                        '+1.94 dB'
'TXXX:replaygain_track_peak'                        '0.512495'
'UFID:http://www.cddb.com/id3/taginfo1.html'        UFID(owner='http://www.cddb.com/id3/taginfo1.html', data=b'3CD3M100R40734452U20840529160BADD35CF7474A97398B58EB8P1')

========================== row from database ==========================
                                              'id'  1463648
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1923/Albert Campbell & Henry Burr - Carry Me Back To My Carolina Home (+Wiedoeft) 3-3-1923.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  185
                                           'genre'  prerock-vocal
                                        'filesize'  3792395
                                           'mtime'  1620666382
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1923 (+Wiedoeft) 3 3 1923 prerock vocal
                                      'tag_artist'  Albert Campbell & Henry Burr
                                     'tag_release'  Victor 18975
                                       'tag_title'  Carry Me Back To My Carolina Home (+ Rudy Wiedoeft)
                                             'bpm'  121.9
                                    'search_title'  'back':3 'carolina':6 'carry':1 'home':7 'me':2 'my':5 'rudy':8 'to':4 'wiedoeft':9,10
                                   'search_artist'  'albert':1 'burr':4 'campbell':2 'henry':3
                                  'search_release'  '18975':2 'victor':1
                                     'search_rest'  '00oldiepop':5 '1923':6 '3':9 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':10 'vocal':11 'wiedoeft':7,8
                                    'search_combo'  '00oldiepop':21 '18975':16C '1923':22 '3':25 'albert':11B 'back':3A 'burr':14B 'campbell':12B 'carolina':6A 'carry':1A 'country':20 'exotica':18 'henry':13B 'home':7A 'jazz':17 'me':2A 'my':5A 'oldies':19 'prerock':26 'rudy':8A 'to':4A 'victor':15C 'vocal':27 'wiedoeft':9A,10A,23,24
                                    'tag_tracknum'  16
                                      'num_images'  1
                                             'key'  10A
                                           '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'  []
                                        'tag_date'  1923
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620666382.0962515  (2021-05-10 19:06:22)
                             'size'  3792395