======================== unified (from filesystem) ========================
                                         'bitrate'  '320.006'
                                        'duration'  '321'
                                          'artist'  'Kreator'
                                     'text_people'  ''
                                         'release'  'Out Of The Dark... Into The Light'
                                           'title'  'Riot Of Violence'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-2', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-4', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['german', 'thrash', 'thrash metal', 'metal', 'heavy metal']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1988'
                                        'comments'  ''
                                           'genre'  'eid-metal-trash'
                                             'bpm'  '120.5'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Out Of The Dark... Into The Light'
'TBPM' (BPM (beats per minute))                     '120.5'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-trash'
'TDRC' (Recording time)                             '1988'
'TIT2' (Title/songname/content description)         'Riot Of Violence'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Kreator'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['german', 'thrash', 'thrash metal', 'metal', 'heavy metal']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.30 dB'
'TXXX:replaygain_track_peak'                        '0.595982'

========================== row from database ==========================
                                              'id'  1401062
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Kreator - 1988 - Out Of The Dark... Into The Light [320]/05 - Riot Of Violence.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  321
                                           'genre'  eid-metal-trash
                                        'filesize'  12884552
                                           'mtime'  1620311568
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 1988 [320] 05 eid metal trash
                                      'tag_artist'  Kreator
                                     'tag_release'  Out Of The Dark... Into The Light
                                       'tag_title'  Riot Of Violence
                                             'bpm'  120.5
                                    'search_title'  'of':2 'riot':1 'violence':3
                                   'search_artist'  'kreator':1
                                  'search_release'  'dark':4,5 'into':6 'light':7 'of':2 'out':1 'the':3
                                     'search_rest'  '00dwimp':1 '00metal':2 '1988':3 '320':4,5 'eid':6 'metal':7 'trash':8
                                    'search_combo'  '00dwimp':12 '00metal':13 '1988':14 '320':15,16 'dark':8C,9C 'eid':17 'into':10C 'kreator':4B 'light':11C 'metal':18 'of':2A,6C 'out':5C 'riot':1A 'the':7C 'trash':19 'violence':3A
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-1', 'q-bass-1', 'q-grit-4']
                                      'lastfmtags'  ['german', 'thrash', 'thrash metal', 'metal', 'heavy metal']
                                        'tag_date'  1988
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620311567.5201604  (2021-05-06 16:32:47)
                             'size'  12884552