======================== unified (from filesystem) ========================
                                         'bitrate'  '248.675'
                                        'duration'  '105'
                                          'artist'  'Rotten Sound'
                                     'text_people'  ''
                                         'release'  'Cycles'
                                           'title'  'Poor'
                                           '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'  '7'
                                      'tracktotal'  '18'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'eid-metal-sludge or grind'
                                             'bpm'  '92.055'
                                             'key'  '1A'
                                        'acoustid'  'e5cad992-f573-416d-9873-425e36da1ddc'
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'xxx'
'TALB' (Album/Movie/Show title)                     'Cycles'
'TBPM' (BPM (beats per minute))                     '92.055'
'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)         'Poor'
'TKEY' (Initial key)                                '1A'
'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)               '7/18'
'TSO2'                                              'Rotten Sound'
'TSOP' (Performer sort order)                       'Rotten Sound'
'TXXX:Acoustid Id'                                  'e5cad992-f573-416d-9873-425e36da1ddc'
'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'                        '-2.25 dB'
'TXXX:replaygain_track_peak'                        '0.342926'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'93fdcc1b-2bb1-47b2-a2f9-546193b4f073')

========================== row from database ==========================
                                              'id'  719681
                                            'path'  /data/Music/Bulk/00dwimp/Cycles/07 Poor.mp3
                                         'working'  None
                                         'bitrate'  248
                                    'duration_sec'  105
                                           'genre'  eid-metal-sludge or grind
                                        'filesize'  3292604
                                           'mtime'  1620310873
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 07 eid metal sludge grind
                                      'tag_artist'  Rotten Sound
                                     'tag_release'  Cycles
                                       'tag_title'  Poor
                                             'bpm'  92.055
                                    'search_title'  'poor':1
                                   'search_artist'  'rotten':1 'sound':2
                                  'search_release'  'cycles':1
                                     'search_rest'  '00dwimp':1 'eid':2 'grind':5 'metal':3 'sludge':4
                                    'search_combo'  '00dwimp':5 'cycles':4C 'eid':6 'grind':9 'metal':7 'poor':1A 'rotten':2B 'sludge':8 'sound':3B
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  1A
                                           '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'  1620310873.193286  (2021-05-06 16:21:13)
                             'size'  3292604