======================== unified (from filesystem) ========================
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                                        'duration'  '124'
                                          'artist'  'Simon & Garfunkel'
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                                           'title'  'For Emily, Whenever I May Find Her'
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
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                                      'tracktotal'  '71'
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                                        'comments'  ''
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rest: ''

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

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'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-folk'
'TDOR' (Original release time)                      '2008'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'For Emily, Whenever I May Find Her'
'TKEY' (Initial key)                                '7B'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Simon & Garfunkel'
'TPE2' (Band/orchestra/accompaniment)               'Simon & Garfunkel'
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'TRCK' (Track number/Position in set)               '40/71'
'TSO2'                                              'Simon & Garfunkel'
'TSOP' (Performer sort order)                       'Simon & Garfunkel'
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'TXXX:MusicBrainz Album Id'                         'b532363f-3e0d-40a3-b90c-1643e526f0f4'
'TXXX:MusicBrainz Album Status'                     'official'
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'TXXX:MusicBrainz Artist Id'                        '5d02f264-e225-41ff-83f7-d9b1f0b1874a'
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'TXXX:Q-UNU'                                        '1'
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 'folk, world, & country',
 'folk rock',
 'chanson',
 'pop rock',
 'country',
 'folk',
 'classic rock']
'TXXX:lastfmtags'                                   ['acoustic', 'rock', 'singer songwriter', 'folk', 'classic rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
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'TXXX:replaygain_track_peak'                        '0.662196'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'a93f64b9-da54-429c-a751-f09b8355a01a')

========================== row from database ==========================
                                              'id'  1253788
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Simon & Garfunkel - Simon and Garfunkel/Simon & Garfunkel - For Emily Wherever I May Find.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  124
                                           'genre'  ifs-songwriter-folk
                                        'filesize'  1997657
                                           'mtime'  1621699795
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos and Wherever ifs songwriter folk
                                      'tag_artist'  Simon & Garfunkel
                                     'tag_release'  The Collection
                                       'tag_title'  For Emily, Whenever I May Find Her
                                             'bpm'  142.7
                                    'search_title'  'emily':2,3 'find':7 'for':1 'her':8 'i':5 'may':6 'whenever':4
                                   'search_artist'  'garfunkel':2 'simon':1
                                  'search_release'  'collection':2 'the':1
                                     'search_rest'  '00singer':1 'and':4 'eos':3 'folk':7 'ifs':6 'songwriter':2 'wherever':5
                                    'search_combo'  '00singer':13 'and':16 'collection':12C 'emily':2A,3A 'eos':15 'find':7A 'folk':19 'for':1A 'garfunkel':10B 'her':8A 'i':5A 'ifs':18 'may':6A 'simon':9B 'songwriter':14 'the':11C 'whenever':4A 'wherever':17
                                    'tag_tracknum'  40
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-4', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['acoustic', 'rock', 'singer songwriter', 'folk', 'classic rock']
                                        'tag_date'  2008
                                     'discogstags'  ['rock', 'pop', 'folk, world, & country', 'folk rock', 'chanson', 'pop rock', 'country', 'folk', 'classic rock']

============================== file details ==============================
                                           'mtime'  1621699795.1385555  (2021-05-22 18:09:55)
                             'size'  1997657