======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '207'
                                          'artist'  'Paul Robeson'
                                     'text_people'  ''
                                         'release'  'HMV B-8831'
                                           'title'  'Drink To Me Only With Thine Eyes'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-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-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['american', 'blues', 'spiritual', 'folk', 'gospel']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1938'
                                        'comments'  ''
                                           'genre'  'prerock-spiritual or gospel'
                                             'bpm'  '94.0'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TALB' (Album/Movie/Show title)                     'HMV B-8831'
'TBPM' (BPM (beats per minute))                     '94.0'
'TCON' (Content type, a.k.a. Genre)                 'prerock-spiritual or gospel'
'TDRC' (Recording time)                             '1938-11-12'
'TIT2' (Title/songname/content description)         'Drink To Me Only With Thine Eyes'
'TKEY' (Initial key)                                '6B'
'TLEN' (Length)                                     '207000'
'TPE1' (Lead performer(s)/Soloist(s))               'Paul Robeson'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['american', 'blues', 'spiritual', 'folk', 'gospel']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.32 dB'
'TXXX:replaygain_track_peak'                        '0.659533'

========================== row from database ==========================
                                              'id'  1469750
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1938/Paul Robeson - Drink To Me Only With Thine Eyes 12-11-1938.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  207
                                           'genre'  prerock-spiritual or gospel
                                        'filesize'  4190816
                                           'mtime'  1642095560
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1938 12 11 1938 prerock spiritual or gospel
                                      'tag_artist'  Paul Robeson
                                     'tag_release'  HMV B-8831
                                       'tag_title'  Drink To Me Only With Thine Eyes
                                             'bpm'  94.0
                                    'search_title'  'drink':1 'eyes':7 'me':3 'only':4 'thine':6 'to':2 'with':5
                                   'search_artist'  'paul':1 'robeson':2
                                  'search_release'  '8831':3 'b':2 'b8831':4 'hmv':1
                                     'search_rest'  '00oldiepop':5 '1938':6 'country':4 'exotica':2 'gospel':10 'jazz':1 'oldies':3 'or':9 'prerock':7 'spiritual':8
                                    'search_combo'  '00oldiepop':18 '1938':19 '8831':12C 'b':11C 'b8831':13C 'country':17 'drink':1A 'exotica':15 'eyes':7A 'gospel':23 'hmv':10C 'jazz':14 'me':3A 'oldies':16 'only':4A 'or':22 'paul':8B 'prerock':20 'robeson':9B 'spiritual':21 'thine':6A 'to':2A 'with':5A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-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-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['american', 'blues', 'spiritual', 'folk', 'gospel']
                                        'tag_date'  1938
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642095560.422575  (2022-01-13 18:39:20)
                             'size'  4190816