======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '244'
                                          'artist'  'Gotye'
                                     'text_people'  ''
                                         'release'  'Making Mirrors'
                                           'title'  'Somebody That I Used to Know'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'aussie', 'alternative', 'electronic', 'australian']"
                                     'discogstags'  "['electronic', 'trip hop', 'downtempo']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '12'
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '128.740'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Making Mirrors'
'TBPM' (BPM (beats per minute))                     '128.740'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '2011-08-19'
'TIT2' (Title/songname/content description)         'Somebody That I Used to Know'
'TKEY' (Initial key)                                '7A'
'TLAN' (Language(s))                                'eng'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Gotye feat. Kimbra'
'TPE2' (Band/orchestra/accompaniment)               'Gotye'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Eleven: A Music Company'
'TRCK' (Track number/Position in set)               '3/12'
'TXXX:ALBUMARTISTSORT'                              'Gotye'
'TXXX:ASIN'                                         'B006LQQ1GE'
'TXXX:BARCODE'                                      '0602527757537'
'TXXX:CATALOGNUMBER'                                'ELEVENCDD101'
'TXXX:MusicBrainz Album Artist Id'                  '6f6fd596-76e0-4b82-aa37-f558ac2d337b'
'TXXX:MusicBrainz Album Id'                         '6b447115-900f-4e7c-bb42-daf6211eed33'
'TXXX:MusicBrainz Album Release Country'            'AU'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '6f6fd596-76e0-4b82-aa37-f558ac2d337b/fad2875e-ba81-4637-b859-4684622dcb1c'
'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'                                  ['electronic', 'trip hop', 'downtempo']
'TXXX:lastfmtags'                                   ['indie', 'aussie', 'alternative', 'electronic', 'australian']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.71 dB'
'TXXX:replaygain_track_peak'                        '0.375516'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'5b6ad1ba-9e08-4570-bcef-e3343519070a')

========================== row from database ==========================
                                              'id'  1270699
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Gotye/Gotye feat. Kimbra/03 - Gotye - Somebody That I Used To Know.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  244
                                           'genre'  ifs-songwriter
                                        'filesize'  10544950
                                           'mtime'  1637249165
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos feat. Kimbra 03 To ifs songwriter
                                      'tag_artist'  Gotye
                                     'tag_release'  Making Mirrors
                                       'tag_title'  Somebody That I Used to Know
                                             'bpm'  128.74
                                    'search_title'  'i':3 'know':6 'somebody':1 'that':2 'to':5 'used':4
                                   'search_artist'  'gotye':1
                                  'search_release'  'making':1 'mirrors':2
                                     'search_rest'  '00singer':1 'eos':3 'feat':4,5 'ifs':8 'kimbra':6 'songwriter':2 'to':7
                                    'search_combo'  '00singer':10 'eos':12 'feat':13,14 'gotye':7B 'i':3A 'ifs':17 'kimbra':15 'know':6A 'making':8C 'mirrors':9C 'somebody':1A 'songwriter':11 'that':2A 'to':5A,16 'used':4A
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  7A
                                           '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-3', 'q-syn-2', 'q-chart-4', 'q-other-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'aussie', 'alternative', 'electronic', 'australian']
                                        'tag_date'  2011
                                     'discogstags'  ['electronic', 'trip hop', 'downtempo']

============================== file details ==============================
                                           'mtime'  1637249164.6320353  (2021-11-18 16:26:04)
                             'size'  10544950