======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '201'
                                          'artist'  'Volbeat'
                                     'text_people'  ''
                                         'release'  'The Strength/The Sound/The Songs'
                                           'title'  "Everything's Still Fine"
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-3', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['danish', 'metal', 'elvis metal', 'rockabilly', 'heavy metal']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'eid-metal-heavy'
                                             'bpm'  '142.207'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00001E69 00000000 00005038'
'COMM:iTunNORM:eng'                                 (' 00001E69 00000000 00005038 00000000 0001D4EE 00000000 00007FFF 00000000 '
 '00009C85 00000000')
'TALB' (Album/Movie/Show title)                     'The Strength/The Sound/The Songs'
'TBPM' (BPM (beats per minute))                     '142.207'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-heavy'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         "Everything's Still Fine"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Volbeat'
'TRCK' (Track number/Position in set)               '14'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['danish', 'metal', 'elvis metal', 'rockabilly', 'heavy metal']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.88 dB'
'TXXX:replaygain_track_peak'                        '0.314238'

========================== row from database ==========================
                                              'id'  1509271
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Volbeat/[2005] The Strength The Sound The Songs/14 Everything_s Still Fine.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  201
                                           'genre'  eid-metal-heavy
                                        'filesize'  3250913
                                           'mtime'  1620311068
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal [2005] 14 Everything_s eid metal heavy
                                      'tag_artist'  Volbeat
                                     'tag_release'  The Strength/The Sound/The Songs
                                       'tag_title'  Everything's Still Fine
                                             'bpm'  142.207
                                    'search_title'  'everything':1 'everythings':3 'fine':5 's':2 'still':4
                                   'search_artist'  'volbeat':1
                                  'search_release'  'songs':8 'sound':5 'soundthe':7 'strength':2 'strengththe':4 'the':1,3,6
                                     'search_rest'  '00dwimp':1 '00metal':2 '2005':3,4 'eid':7 'everything':5 'heavy':9 'metal':8 's':6
                                    'search_combo'  '00dwimp':15 '00metal':16 '2005':17,18 'eid':21 'everything':1A,19 'everythings':3A 'fine':5A 'heavy':23 'metal':22 's':2A,20 'songs':14C 'sound':11C 'soundthe':13C 'still':4A 'strength':8C 'strengththe':10C 'the':7C,9C,12C 'volbeat':6B
                                    'tag_tracknum'  14
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-1', 'q-bass-2', 'q-grit-4']
                                      'lastfmtags'  ['danish', 'metal', 'elvis metal', 'rockabilly', 'heavy metal']
                                        'tag_date'  2005
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620311068.0346124  (2021-05-06 16:24:28)
                             'size'  3250913