======================== unified (from filesystem) ========================
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                                        'duration'  '212'
                                          'artist'  'St. Vincent'
                                     'text_people'  ''
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '11'
                                            'date'  '2014'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-experimental'
                                             'bpm'  '127'
                                             'key'  '11B'
                                        'acoustid'  '31f10ff7-24b0-42e6-b7cf-a84a1f9638b3'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000000 00000210 0000090C'
'TALB' (Album/Movie/Show title)                     'St. Vincent'
'TBPM' (BPM (beats per minute))                     '127'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-experimental'
'TDOR' (Original release time)                      '2014'
'TDRC' (Recording time)                             '2014'
'TENC' (Encoded by)                                 'iTunes 11.1.3.8'
'TIT2' (Title/songname/content description)         'Psychopath'
'TKEY' (Initial key)                                '11B'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'St. Vincent'
'TPE2' (Band/orchestra/accompaniment)               'St. Vincent'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Loma Vista Recordings'
'TRCK' (Track number/Position in set)               '9/11'
'TSO2'                                              'St. Vincent'
'TSOP' (Performer sort order)                       'St. Vincent'
'TSRC' (ISRC (international standard recording code))  'USUM71318969'
'TXXX:Acoustid Id'                                  '31f10ff7-24b0-42e6-b7cf-a84a1f9638b3'
'TXXX:Artists'                                      'St. Vincent'
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'TXXX:MusicBrainz Album Id'                         '15aeb8f2-c170-479e-b497-a8edaafda663'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '5334edc0-5faf-4ca5-b1df-000de3e1f752'
'TXXX:MusicBrainz Release Group Id'                 '37889165-4443-4248-abd0-3c1703d9c02a'
'TXXX:MusicBrainz Release Track Id'                 '97a97fcf-3999-4adc-8430-2c9cc892f95a'
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'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['art rock', 'electronic', 'rock']
'TXXX:lastfmtags'                                   ['indie', 'indie pop', 'alternative', 'female vocalists', 'singer songwriter']
'TXXX:originalyear'                                 '2014'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
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'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+6.97 dB'
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'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'd283ca71-7139-48c4-b993-f2077bccecbd')

========================== row from database ==========================
                                              'id'  172908
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/St. Vincent/St. Vincent/09 - Psychopath.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  212
                                           'genre'  ifs-songwriter-experimental
                                        'filesize'  8615428
                                           'mtime'  1636400843
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 09 ifs songwriter experimental
                                      'tag_artist'  St. Vincent
                                     'tag_release'  St. Vincent
                                       'tag_title'  Psychopath
                                             'bpm'  127.0
                                    'search_title'  'psychopath':1
                                   'search_artist'  'st':1,2 'vincent':3
                                  'search_release'  'st':1,2 'vincent':3
                                     'search_rest'  '00singer':1 'eos':3 'experimental':5 'ifs':4 'songwriter':2
                                    'search_combo'  '00singer':8 'eos':10 'experimental':12 'ifs':11 'psychopath':1A 'songwriter':9 'st':2B,3B,5C,6C 'vincent':4B,7C
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'indie pop', 'alternative', 'female vocalists', 'singer songwriter']
                                        'tag_date'  2014
                                     'discogstags'  ['art rock', 'electronic', 'rock']

============================== file details ==============================
                                           'mtime'  1636400843.3107846  (2021-11-08 20:47:23)
                             'size'  8615428