======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '114'
                                          'artist'  'Strapping Young Lad'
                                     'text_people'  ''
                                         'release'  'The New Black'
                                           'title'  'Polyphony'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['industrial metal', 'metal', 'thrash metal', 'death metal', 'progressive "
 "metal']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '13'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'eid-metal-trash'
                                             'bpm'  '130.063'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The New Black'
'TBPM' (BPM (beats per minute))                     '130.063'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-trash'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Polyphony'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Strapping Young Lad'
'TRCK' (Track number/Position in set)               '10/13'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.83.01, LAME dll 3.96, 192 Kbit/s, Joint Stereo, High quality'
'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'                                   ['industrial metal',
 'metal',
 'thrash metal',
 'death metal',
 'progressive metal']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.76 dB'
'TXXX:replaygain_track_peak'                        '0.567580'

========================== row from database ==========================
                                              'id'  1399563
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Strapping Young Lad/The New Black/10 - Strapping Young Lad - Polyphony.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  114
                                           'genre'  eid-metal-trash
                                        'filesize'  2757778
                                           'mtime'  1620311633
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 10 eid metal trash
                                      'tag_artist'  Strapping Young Lad
                                     'tag_release'  The New Black
                                       'tag_title'  Polyphony
                                             'bpm'  130.063
                                    'search_title'  'polyphony':1
                                   'search_artist'  'lad':3 'strapping':1 'young':2
                                  'search_release'  'black':3 'new':2 'the':1
                                     'search_rest'  '00dwimp':1 '00metal':2 'eid':3 'metal':4 'trash':5
                                    'search_combo'  '00dwimp':8 '00metal':9 'black':7C 'eid':10 'lad':4B 'metal':11 'new':6C 'polyphony':1A 'strapping':2B 'the':5C 'trash':12 'young':3B
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-4']
                                      'lastfmtags'  ['industrial metal', 'metal', 'thrash metal', 'death metal', 'progressive metal']
                                        'tag_date'  2006
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620311633.0552268  (2021-05-06 16:33:53)
                             'size'  2757778