======================== unified (from filesystem) ========================
                                         'bitrate'  '235.556'
                                        'duration'  '146'
                                          'artist'  'Atreyu'
                                     'text_people'  ''
                                         'release'  'The Curse'
                                           'title'  'Bleeding Mascara'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['metal', 'screamo', 'rock', 'metalcore', 'hardcore', 'hard rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '13'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'eid-noise-screamo'
                                             'bpm'  '113.1'
                                             'key'  '5A'
                                        'acoustid'  '80fd2b7d-19a9-410a-b965-26553339fb8d'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Curse'
'TBPM' (BPM (beats per minute))                     '113.1'
'TCON' (Content type, a.k.a. Genre)                 'eid-noise-screamo'
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2004-06-29'
'TIT2' (Title/songname/content description)         'Bleeding Mascara'
'TKEY' (Initial key)                                '5A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Atreyu'
'TPE2' (Band/orchestra/accompaniment)               'Atreyu'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Victory Records'
'TRCK' (Track number/Position in set)               '2/13'
'TSO2'                                              'Atreyu'
'TSOP' (Performer sort order)                       'Atreyu'
'TSRC' (ISRC (international standard recording code))  'USVIC0421802'
'TXXX:ASIN'                                         'B00025HM9U'
'TXXX:Acoustid Id'                                  '80fd2b7d-19a9-410a-b965-26553339fb8d'
'TXXX:BARCODE'                                      '746105021822'
'TXXX:CATALOGNUMBER'                                'VR218'
'TXXX:Mp3gain_minmax'                               '130,186'
'TXXX:Mp3gain_undo'                                 '+006,+006,N'
'TXXX:MusicBrainz Album Artist Id'                  '17e137fb-59e5-4fd7-af48-afc34995396c'
'TXXX:MusicBrainz Album Id'                         'cb89c10e-4d3e-386a-9db4-0b4b96907ffa'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '17e137fb-59e5-4fd7-af48-afc34995396c'
'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'
'TXXX:lastfmtags'                                   ['metal', 'screamo', 'rock', 'metalcore', 'hardcore', 'hard rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.40 dB'
'TXXX:replaygain_track_peak'                        '0.397046'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'39d2095f-7072-4e36-939d-6dc3e31e97d5')

========================== row from database ==========================
                                              'id'  1356613
                                            'path'  /data/Music/Bulk/00poprockelectronic/Atreyu/The Curse [2004]/02-atreyu-bleeding_mascara-rns.mp3
                                         'working'  None
                                         'bitrate'  235
                                    'duration_sec'  146
                                           'genre'  eid-noise-screamo
                                        'filesize'  4309339
                                           'mtime'  1620311506
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic [2004] 02 atreyu bleeding_mascara rns eid noise screamo
                                      'tag_artist'  Atreyu
                                     'tag_release'  The Curse
                                       'tag_title'  Bleeding Mascara
                                             'bpm'  113.1
                                    'search_title'  'bleeding':1 'mascara':2
                                   'search_artist'  'atreyu':1
                                  'search_release'  'curse':2 'the':1
                                     'search_rest'  '00poprockelectronic':1 '2004':2,3 'atreyu':4 'bleeding':5 'eid':8 'mascara':6 'noise':9 'rns':7 'screamo':10
                                    'search_combo'  '00poprockelectronic':6 '2004':7,8 'atreyu':3B,9 'bleeding':1A,10 'curse':5C 'eid':13 'mascara':2A,11 'noise':14 'rns':12 'screamo':15 'the':4C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['metal', 'screamo', 'rock', 'metalcore', 'hardcore', 'hard rock']
                                        'tag_date'  2004
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620311505.8875163  (2021-05-06 16:31:45)
                             'size'  4309339