======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '255'
                                          'artist'  'Sepultura'
                                     'text_people'  ''
                                         'release'  'Roots'
                                           'title'  'Attitude'
                                           '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-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['heavy metal', 'death metal', 'thrash metal', 'metal', 'brazilian']"
                                     'discogstags'  "['rock', 'folk, world, & country', 'thrash', 'nu metal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '16'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'eid-metal-trash'
                                             'bpm'  '107.2'
                                             'key'  '6B'
                                        'acoustid'  '6862e4ed-9fa5-4f65-8641-4121603ceb9a'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Roots'
'TBPM' (BPM (beats per minute))                     '107.2'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-trash'
'TDOR' (Original release time)                      '1996'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Attitude'
'TKEY' (Initial key)                                '6B'
'TLEN' (Length)                                     '255451'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Sepultura'
'TPE2' (Band/orchestra/accompaniment)               'Sepultura'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Roadrunner Records'
'TRCK' (Track number/Position in set)               '2/16'
'TSO2'                                              'Sepultura'
'TSOP' (Performer sort order)                       'Sepultura'
'TSRC' (ISRC (international standard recording code))  'NLA329513660'
'TXXX:Acoustid Id'                                  '6862e4ed-9fa5-4f65-8641-4121603ceb9a'
'TXXX:Artists'                                      'Sepultura'
'TXXX:CATALOGNUMBER'                                'RR 8900-2'
'TXXX:MusicBrainz Album Artist Id'                  '1d93c839-22e7-4f76-ad84-d27039efc048'
'TXXX:MusicBrainz Album Id'                         '6ea758ef-20fe-4145-8aef-f9e791b58a42'
'TXXX:MusicBrainz Album Release Country'            'CA'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '1d93c839-22e7-4f76-ad84-d27039efc048'
'TXXX:MusicBrainz Release Group Id'                 'f625cd30-9427-360b-b63d-e294d23b1980'
'TXXX:MusicBrainz Release Track Id'                 '91ee1648-3a7c-458c-b5ed-81c100a2aea1'
'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'                                  ['rock', 'folk, world, & country', 'thrash', 'nu metal']
'TXXX:lastfmtags'                                   ['heavy metal', 'death metal', 'thrash metal', 'metal', 'brazilian']
'TXXX:originalyear'                                 '1996'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.41 dB'
'TXXX:replaygain_track_peak'                        '0.536687'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'98acba94-36fb-45a1-bf16-40989ab183c9')

========================== row from database ==========================
                                              'id'  1401935
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Sepultura/Roots/Sepultura - Attitude - 02.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  255
                                           'genre'  eid-metal-trash
                                        'filesize'  5207977
                                           'mtime'  1620311622
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 02 eid metal trash
                                      'tag_artist'  Sepultura
                                     'tag_release'  Roots
                                       'tag_title'  Attitude
                                             'bpm'  107.2
                                    'search_title'  'attitude':1
                                   'search_artist'  'sepultura':1
                                  'search_release'  'roots':1
                                     'search_rest'  '00dwimp':1 '00metal':2 'eid':3 'metal':4 'trash':5
                                    'search_combo'  '00dwimp':4 '00metal':5 'attitude':1A 'eid':6 'metal':7 'roots':3C 'sepultura':2B 'trash':8
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  6B
                                           '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-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-1', 'q-bass-4', 'q-grit-4']
                                      'lastfmtags'  ['heavy metal', 'death metal', 'thrash metal', 'metal', 'brazilian']
                                        'tag_date'  1996
                                     'discogstags'  ['rock', 'folk, world, & country', 'thrash', 'nu metal']

============================== file details ==============================
                                           'mtime'  1620311621.9982188  (2021-05-06 16:33:41)
                             'size'  5207977