======================== unified (from filesystem) ========================
                                         'bitrate'  '167.396'
                                        'duration'  '369'
                                          'artist'  'Sonic Youth'
                                     'text_people'  ''
                                         'release'  'A Thousand Leaves'
                                           'title'  'Heather Angel'
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '11'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-experimental'
                                             'bpm'  '136'
                                             'key'  '6A'
                                        'acoustid'  'b3b3dbb4-400e-4c56-b528-cb97feb2b6f9'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'A Thousand Leaves'
'TBPM' (BPM (beats per minute))                     '136'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-experimental'
'TDOR' (Original release time)                      '1998'
'TDRC' (Recording time)                             '1998-05-05'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['producer', 'Don Fleming'], ['producer', 'Sonic Youth'], ['producer', 'Wharton Tiers']])
'TIT2' (Title/songname/content description)         'Heather Angel'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Sonic Youth'
'TPE2' (Band/orchestra/accompaniment)               'Sonic Youth'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Geffen Records'
'TRCK' (Track number/Position in set)               '11/11'
'TSO2'                                              'Sonic Youth'
'TSOP' (Performer sort order)                       'Sonic Youth'
'TXXX:ASIN'                                         'B000006P0F'
'TXXX:Acoustid Id'                                  'b3b3dbb4-400e-4c56-b528-cb97feb2b6f9'
'TXXX:Artists'                                      'Sonic Youth'
'TXXX:BARCODE'                                      '720642520321'
'TXXX:CATALOGNUMBER'                                'DGCSD-25203'
'TXXX:MusicBrainz Album Artist Id'                  '5cbef01b-cc35-4f52-af7b-d0df0c4f61b9'
'TXXX:MusicBrainz Album Id'                         'ff1c5f20-7b4b-3b1f-9430-55b84986b540'
'TXXX:MusicBrainz Album Release Country'            'CA'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '5cbef01b-cc35-4f52-af7b-d0df0c4f61b9'
'TXXX:MusicBrainz Release Group Id'                 'd2450e24-9345-376e-b6cc-dfd6b0138de1'
'TXXX:MusicBrainz Release Track Id'                 'cba5ed80-c091-3414-b580-fb1fca7ae4f9'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['rock', 'noise', 'avantgarde', 'experimental', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'alternative', 'post punk', 'experimental', 'rock']
'TXXX:originalyear'                                 '1998'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.30 dB'
'TXXX:replaygain_track_peak'                        '0.453974'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'854593b6-330a-4c7c-af41-43ed27d9c6e1')
'USLT::XXX'                                         ('Never gonna ya do it \r\n'
 'A world below \r\n'
 'Heather angel you are somewhere \r\n'
 'On the show \r\n'
 "Don't you think you would find \r\n"
 'Where to go \r\n'
 'I want to go dancing on the other side \r\n'
 'I want to buy a phonograph \r\n'
 "But the money's gone \r\n"
 'He bought books and records \r\n'
 "I don't care about that \r\n"
 'I just want to be alive \r\n'
 'And go to the other... \r\n'
 "I don't want money or books \r\n"
 'Have to decide \r\n'
 'Passive \r\n'
 'And you were shot in the name of it \r\n'
 "And then you'd see yeh, yeh \r\n"
 "Then you'd see \r\n"
 'The relationship \r\n'
 'And walking I see you in the clouds \r\n'
 'And I fall for \r\n'
 'I would fall for you \r\n'
 'I would... \r\n'
 'Forever \r\n'
 'Goodbye, bye \r\n'
 'Goodbye \r\n'
 'And that is all \r\n'
 'Stop stop')

========================== row from database ==========================
                                              'id'  1254071
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Sonic Youth/A Thousand Leaves/Sonic Youth - Heather Angel - 11.mp3
                                         'working'  None
                                         'bitrate'  167
                                    'duration_sec'  369
                                           'genre'  ifs-songwriter-experimental
                                        'filesize'  7803566
                                           'mtime'  1636400821
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 11 ifs songwriter experimental
                                      'tag_artist'  Sonic Youth
                                     'tag_release'  A Thousand Leaves
                                       'tag_title'  Heather Angel
                                             'bpm'  136.0
                                    'search_title'  'angel':2 'heather':1
                                   'search_artist'  'sonic':1 'youth':2
                                  'search_release'  'a':1 'leaves':3 'thousand':2
                                     'search_rest'  '00singer':1 'eos':3 'experimental':5 'ifs':4 'songwriter':2
                                    'search_combo'  '00singer':8 'a':5C 'angel':2A 'eos':10 'experimental':12 'heather':1A 'ifs':11 'leaves':7C 'songwriter':9 'sonic':3B 'thousand':6C 'youth':4B
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'post punk', 'experimental', 'rock']
                                        'tag_date'  1998
                                     'discogstags'  ['rock', 'noise', 'avantgarde', 'experimental', 'indie rock']

============================== file details ==============================
                                           'mtime'  1636400820.7103686  (2021-11-08 20:47:00)
                             'size'  7803566