======================== unified (from filesystem) ========================
                                         'bitrate'  '202.262'
                                        'duration'  '198'
                                          'artist'  'Autumn 2008'
                                     'text_people'  ''
                                         'release'  'Autumn 2008'
                                           'title'  'Let It Go'
                                           'quals'  ("['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '18'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '126.806'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000FAC 00000FFF 00006A3B'
'COMM:iTunNORM:eng'                                 (' 00000FAC 00000FFF 00006A3B 00007FFA 00028343 00027D47 00008000 00008000 '
 '0000599D 0000599D')
'TALB' (Album/Movie/Show title)                     'Autumn 2008'
'TBPM' (BPM (beats per minute))                     '126.806'
'TDRC' (Recording time)                             '2008'
'TENC' (Encoded by)                                 'Lame3.97'
'TIT2' (Title/songname/content description)         'Let It Go'
'TKEY' (Initial key)                                '10A'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Dirty South Feat. Rudy'
'TPE2' (Band/orchestra/accompaniment)               'Autumn 2008'
'TRCK' (Track number/Position in set)               '5/18'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.27 dB'
'TXXX:replaygain_track_peak'                        '0.490474'

========================== row from database ==========================
                                              'id'  1300329
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/113-dirty_south_feat_ruby_-_let_it_go.mp3
                                         'working'  None
                                         'bitrate'  202
                                    'duration_sec'  198
                                           'genre'  
                                        'filesize'  5036453
                                           'mtime'  1652397932
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 113 dirty_south_feat_ruby_ _let_it_go
                                      'tag_artist'  Autumn 2008
                                     'tag_release'  Autumn 2008
                                       'tag_title'  Let It Go
                                             'bpm'  126.806
                                    'search_title'  'go':3 'it':2 'let':1
                                   'search_artist'  '2008':2 'autumn':1
                                  'search_release'  '2008':2 'autumn':1
                                     'search_rest'  '00poprockelectronic':1 '113':7 'dirty':8 'feat':10 'files':5,6 'go':14 'it':13 'let':12 'loose':3,4 'ruby':11 'south':9 'unsorted':2
                                    'search_combo'  '00poprockelectronic':8 '113':14 '2008':5B,7C 'autumn':4B,6C 'dirty':15 'feat':17 'files':12,13 'go':3A,21 'it':2A,20 'let':1A,19 'loose':10,11 'ruby':18 'south':16 'unsorted':9
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']
                                      'lastfmtags'  []
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1652397932.4369774  (2022-05-13 01:25:32)
                             'size'  5036453