======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '350'
                                          'artist'  'The Rolling Stones'
                                     'text_people'  ''
                                         'release'  'Black And Blue (Remastered)'
                                           'title'  'Melody'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'Q-PLAY-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-4', 'q-drums-2', 'q-other-3', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['blues', 'rock', '60s', 'british', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '06'
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'rock-cppex-classic'
                                             'bpm'  '84.7'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00000BD3 00000932 000086B3 0000A23A 00035BA5 0003F7E5 00008000 00007F2F '
 '00015F90 00035B8E')
'MCDI' (Music CD identifier)                        MCDI(data=b'\x00J\x01\x08\x00\x10\x01\x00\x00\x00\x00\x00\x00\x10\x02\x00\x00\x00^D\x00\x10\x03\x00\x00\x00\xac\xe9\x00\x10\x04\x00\x00\x00\xf25\x00\x10\x05\x00\x00\x01p%\x00\x10\x06\x00\x00\x01\xc7\xf5\x00\x10\x07\x00\x00\x02.\x86\x00\x10\x08\x00\x00\x02\x88/\x00\x10\xaa\x00\x00\x02\xd8\xc7\xff\xff')
'TALB' (Album/Movie/Show title)                     'Black And Blue (Remastered)'
'TBPM' (BPM (beats per minute))                     '84.7'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-classic'
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'Melody'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Rolling Stones'
'TRCK' (Track number/Position in set)               '06'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['blues', 'rock', '60s', 'british', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.59 dB'
'TXXX:replaygain_track_peak'                        '0.380931'

========================== row from database ==========================
                                              'id'  1349724
                                            'path'  /data/Music/Bulk/00poprockelectronic/Black And Blue (Remastered)/06 Melody.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  350
                                           'genre'  rock-cppex-classic
                                        'filesize'  14194674
                                           'mtime'  1636039122
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 06 rock cppex classic
                                      'tag_artist'  The Rolling Stones
                                     'tag_release'  Black And Blue (Remastered)
                                       'tag_title'  Melody
                                             'bpm'  84.7
                                    'search_title'  'melody':1
                                   'search_artist'  'rolling':2 'stones':3 'the':1
                                  'search_release'  'and':2 'black':1 'blue':3 'remastered':4,5
                                     'search_rest'  '00poprockelectronic':1 'classic':4 'cppex':3 'rock':2
                                    'search_combo'  '00poprockelectronic':10 'and':6C 'black':5C 'blue':7C 'classic':13 'cppex':12 'melody':1A 'remastered':8C,9C 'rock':11 'rolling':3B 'stones':4B 'the':2B
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'Q-PIANO-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['blues', 'rock', '60s', 'british', 'classic rock']
                                        'tag_date'  2009
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636039121.8100724  (2021-11-04 16:18:41)
                             'size'  14194674