======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '202'
                                          'artist'  'Albert Campbell & Henry Burr'
                                     'text_people'  ''
                                         'release'  'Columbia  1342 (38862)'
                                           'title'  'Let Me See Your Rainbow Smile'
                                           '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-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1913'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '94.7'
                                             'key'  '6A'
                                        '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)                     'Columbia  1342 (38862)'
'TBPM' (BPM (beats per minute))                     '94.7'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1913-03-18'
'TIT2' (Title/songname/content description)         'Let Me See Your Rainbow Smile'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '202000'
'TPE1' (Lead performer(s)/Soloist(s))               'Albert Campbell & Henry Burr'
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.55 dB'
'TXXX:replaygain_track_peak'                        '0.466915'

========================== row from database ==========================
                                              'id'  1465815
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1913/Albert Campbell & Henry Burr - Let Me See Your Rainbow Smile 18-3-1913.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  202
                                           'genre'  prerock-vocal
                                        'filesize'  4141391
                                           'mtime'  1620666144
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1913 18 1913 prerock vocal
                                      'tag_artist'  Albert Campbell & Henry Burr
                                     'tag_release'  Columbia  1342 (38862)
                                       'tag_title'  Let Me See Your Rainbow Smile
                                             'bpm'  94.7
                                    'search_title'  'let':1 'me':2 'rainbow':5 'see':3 'smile':6 'your':4
                                   'search_artist'  'albert':1 'burr':4 'campbell':2 'henry':3
                                  'search_release'  '1342':2 '38862':3,4 'columbia':1
                                     'search_rest'  '00oldiepop':5 '18':7 '1913':6 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':8 'vocal':9
                                    'search_combo'  '00oldiepop':19 '1342':12C '18':21 '1913':20 '38862':13C,14C 'albert':7B 'burr':10B 'campbell':8B 'columbia':11C 'country':18 'exotica':16 'henry':9B 'jazz':15 'let':1A 'me':2A 'oldies':17 'prerock':22 'rainbow':5A 'see':3A 'smile':6A 'vocal':23 'your':4A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  6A
                                           '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-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['q-vocals-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'q-bass-1', 'q-grit-1']
                                        'tag_date'  1913
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620666143.5357308  (2021-05-10 19:02:23)
                             'size'  4141391