======================== unified (from filesystem) ========================
                                         'bitrate'  '231.946'
                                        'duration'  '163'
                                          'artist'  'The Matches'
                                     'text_people'  ''
                                         'release'  'Decomposer'
                                           'title'  'Little Maggots'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['punk rock', 'pop punk', 'indie', 'punk', 'rock', 'alternative']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '13'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '123.557'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'PRIV:http://www.cdtag.com:\x02\x00ç\x18\x82\x00'   PRIV(owner='http://www.cdtag.com', data=b'\x02\x00\xe7\x18\x82\x00')
'TALB' (Album/Movie/Show title)                     'Decomposer'
'TBPM' (BPM (beats per minute))                     '123.557'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDRC' (Recording time)                             '2006-09-12'
'TIT2' (Title/songname/content description)         'Little Maggots'
'TKEY' (Initial key)                                '12B'
'TLAN' (Language(s))                                'eng'
'TPE1' (Lead performer(s)/Soloist(s))               'The Matches'
'TPUB' (Publisher)                                  'Epitaph'
'TRCK' (Track number/Position in set)               '5/13'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME 3.90.3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:Release type'                                 'Advance'
'TXXX:Rip date'                                     '2006-08-03'
'TXXX:Ripping tool'                                 'EAC'
'TXXX:Source'                                       'CD'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['punk rock', 'pop punk', 'indie', 'punk', 'rock', 'alternative']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.24 dB'
'TXXX:replaygain_track_peak'                        '0.334436'

========================== row from database ==========================
                                              'id'  1346463
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Matches/Decomposer/05-the_matches-little_maggots.mp3
                                         'working'  None
                                         'bitrate'  232
                                    'duration_sec'  163
                                           'genre'  rock-gr-punk
                                        'filesize'  4754521
                                           'mtime'  1622659304
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 05 the_matches little_maggots rock gr punk
                                      'tag_artist'  The Matches
                                     'tag_release'  Decomposer
                                       'tag_title'  Little Maggots
                                             'bpm'  123.557
                                    'search_title'  'little':1 'maggots':2
                                   'search_artist'  'matches':2 'the':1
                                  'search_release'  'decomposer':1
                                     'search_rest'  '00poprockelectronic':1 'gr':7 'little':4 'maggots':5 'matches':3 'punk':8 'rock':6 'the':2
                                    'search_combo'  '00poprockelectronic':6 'decomposer':5C 'gr':12 'little':1A,9 'maggots':2A,10 'matches':4B,8 'punk':13 'rock':11 'the':3B,7
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['punk rock', 'pop punk', 'indie', 'punk', 'rock', 'alternative']
                                        'tag_date'  2006
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1622659304.1524253  (2021-06-02 20:41:44)
                             'size'  4754521