======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '514'
                                          'artist'  'B.b King & Gary Moore'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'The Thrill Is Gone'
                                           'quals'  ("['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '101.717'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '101.717'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'The Thrill Is Gone'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'B.b King & Gary Moore'
'TPE2' (Band/orchestra/accompaniment)               'B.b King & Gary Moore'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+10.81 dB'
'TXXX:replaygain_track_peak'                        '0.150348'

========================== row from database ==========================
                                              'id'  1321787
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/B.B King & Gary Moore - The Thrill Is Gone [].mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  514
                                           'genre'  
                                        'filesize'  12357901
                                           'mtime'  1652397942
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] B.B []
                                      'tag_artist'  B.b King & Gary Moore
                                     'tag_release'  None
                                       'tag_title'  The Thrill Is Gone
                                             'bpm'  101.717
                                    'search_title'  'gone':4 'is':3 'the':1 'thrill':2
                                   'search_artist'  'b':1,2 'bb':3 'gary':5 'king':4 'moore':6
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'b':7,8 'bb':9 'files':5,6 'loose':3,4 'unsorted':2
                                    'search_combo'  '00poprockelectronic':11 'b':5B,6B,17,18 'bb':7B,19 'files':15,16 'gary':9B 'gone':4A 'is':3A 'king':8B 'loose':13,14 'moore':10B 'the':1A 'thrill':2A 'unsorted':12
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']
                                      'lastfmtags'  []
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1652397942.3912764  (2022-05-13 01:25:42)
                             'size'  12357901