======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '211'
                                          'artist'  'Billy Williams'
                                     'text_people'  ''
                                         'release'  '[non-album tracks]'
                                           'title'  "Little Willie's Woodbines"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-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']")
                                      'lastfmtags'  '[\'rock and roll\', \'rock n roll\', "rock \'n\' roll", \'60s\', \'pop\']'
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1908'
                                        'comments'  ''
                                           'genre'  'rock-pop-early-rocknroll'
                                             'bpm'  '98.6'
                                             'key'  '1A'
                                        '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)                     '[non-album tracks]'
'TBPM' (BPM (beats per minute))                     '98.6'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-early-rocknroll'
'TDRC' (Recording time)                             '1908'
'TIT2' (Title/songname/content description)         "Little Willie's Woodbines"
'TKEY' (Initial key)                                '1A'
'TLEN' (Length)                                     '211000'
'TPE1' (Lead performer(s)/Soloist(s))               'Billy Williams'
'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', 'rock n roll', "rock 'n' roll", '60s', 'pop']
'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'                        '+1.98 dB'
'TXXX:replaygain_track_peak'                        '0.482851'

========================== row from database ==========================
                                              'id'  1516363
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1908/Billy Williams - Little Willie_s Woodbines 1908.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  211
                                           'genre'  rock-pop-early-rocknroll
                                        'filesize'  4290963
                                           'mtime'  1622659448
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1908 Willie_s 1908 rock pop early rocknroll
                                      'tag_artist'  Billy Williams
                                     'tag_release'  [non-album tracks]
                                       'tag_title'  Little Willie's Woodbines
                                             'bpm'  98.6
                                    'search_title'  'little':1 's':3 'willie':2 'willies':4 'woodbines':5
                                   'search_artist'  'billy':1 'williams':2
                                  'search_release'  'album':2 'non':1 'nonalbum':3 'tracks':4,5
                                     'search_rest'  '00oldiepop':5 '1908':6 'country':4 'early':11 'exotica':2 'jazz':1 'oldies':3 'pop':10 'rock':9 'rocknroll':12 's':8 'willie':7
                                    'search_combo'  '00oldiepop':17 '1908':18 'album':9C 'billy':6B 'country':16 'early':23 'exotica':14 'jazz':13 'little':1A 'non':8C 'nonalbum':10C 'oldies':15 'pop':22 'rock':21 'rocknroll':24 's':3A,20 'tracks':11C,12C 'williams':7B 'willie':2A,19 'willies':4A 'woodbines':5A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  1A
                                           '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'  ['rock and roll', 'rock n roll', "rock 'n' roll", '60s', 'pop']
                                        'tag_date'  1908
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622659447.51055  (2021-06-02 20:44:07)
                             'size'  4290963