======================== unified (from filesystem) ========================
                                         'bitrate'  '230.139'
                                        'duration'  '82'
                                          'artist'  'Rotten Sound'
                                     'text_people'  ''
                                         'release'  'Cycles'
                                           'title'  'Prai$, the #ord'
                                           '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-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['metal', 'grindcore', 'death metal', 'finnish', 'grind']"
                                     'discogstags'  "['grindcore', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '18'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'eid-metal-sludge or grind'
                                             'bpm'  '95.935'
                                             'key'  '8A'
                                        'acoustid'  '56d3e9b1-299c-4fcf-84dd-a0243f637d2d'
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'xxx'
'TALB' (Album/Movie/Show title)                     'Cycles'
'TBPM' (BPM (beats per minute))                     '95.935'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-sludge or grind'
'TDOR' (Original release time)                      '2008'
'TDRC' (Recording time)                             '2008-01-16'
'TIT2' (Title/songname/content description)         'Prai$, the #ord'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Rotten Sound'
'TPE2' (Band/orchestra/accompaniment)               'Rotten Sound'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Spinefarm Records'
'TRCK' (Track number/Position in set)               '2/18'
'TSO2'                                              'Rotten Sound'
'TSOP' (Performer sort order)                       'Rotten Sound'
'TXXX:Acoustid Id'                                  '56d3e9b1-299c-4fcf-84dd-a0243f637d2d'
'TXXX:BARCODE'                                      '0602517531970'
'TXXX:CATALOGNUMBER'                                'SPI322CD'
'TXXX:MusicBrainz Album Artist Id'                  '4d2949b4-eb5f-4296-b71a-04603c6a9802'
'TXXX:MusicBrainz Album Id'                         'd95737c0-1d42-483e-858f-d2ebb406ab26'
'TXXX:MusicBrainz Album Release Country'            'FI'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '4d2949b4-eb5f-4296-b71a-04603c6a9802'
'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:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['grindcore', 'rock']
'TXXX:lastfmtags'                                   ['metal', 'grindcore', 'death metal', 'finnish', 'grind']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.40 dB'
'TXXX:replaygain_track_peak'                        '0.340360'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'7b584461-b1de-4679-a2bd-7fea685f8515')

========================== row from database ==========================
                                              'id'  719197
                                            'path'  /data/Music/Bulk/00dwimp/Cycles/02 Praise the Lord.mp3
                                         'working'  None
                                         'bitrate'  230
                                    'duration_sec'  82
                                           'genre'  eid-metal-sludge or grind
                                        'filesize'  2380245
                                           'mtime'  1620310873
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 02 Praise Lord eid metal sludge grind
                                      'tag_artist'  Rotten Sound
                                     'tag_release'  Cycles
                                       'tag_title'  Prai$, the #ord
                                             'bpm'  95.935
                                    'search_title'  'ord':4,5 'prai':1,2 'the':3
                                   'search_artist'  'rotten':1 'sound':2
                                  'search_release'  'cycles':1
                                     'search_rest'  '00dwimp':1 'eid':4 'grind':7 'lord':3 'metal':5 'praise':2 'sludge':6
                                    'search_combo'  '00dwimp':9 'cycles':8C 'eid':12 'grind':15 'lord':11 'metal':13 'ord':4A,5A 'prai':1A,2A 'praise':10 'rotten':6B 'sludge':14 'sound':7B 'the':3A
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', '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-1', 'q-bass-2', 'q-grit-4']
                                      'lastfmtags'  ['metal', 'grindcore', 'death metal', 'finnish', 'grind']
                                        'tag_date'  2008
                                     'discogstags'  ['grindcore', 'rock']

============================== file details ==============================
                                           'mtime'  1620310873.112459  (2021-05-06 16:21:13)
                             'size'  2380245