======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '124'
                                          'artist'  'Brenda Lee'
                                     'text_people'  ''
                                         'release'  '36 All-Time Greatest Hits'
                                           'title'  'Dynamite'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['oldies', '60s', 'country', 'female vocalists', 'rockabilly', 'christmas']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '374'
                                      'tracktotal'  ''
                                            'date'  '1957'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '112.134'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:AverageLevel:Â\x10\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xc2\x10\x00\x00')
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'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/Provider:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x005\x003\x004\x009\x001\x002\x00;\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x005\x003\x004\x009\x001\x002\x00;\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x90\x9eÜ\x03è\xa0ÅJ¹SÄ\x01ä5\x8d°'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x90\x9e\xdc\x03\xe8\xa0\xc5J\xb9S\xc4\x01\xe45\x8d\xb0')
'PRIV:WM/WMCollectionID:\x90\x9eÜ\x03è\xa0ÅJ¹SÄ\x01ä5\x8d°'  PRIV(owner='WM/WMCollectionID', data=b'\x90\x9e\xdc\x03\xe8\xa0\xc5J\xb9S\xc4\x01\xe45\x8d\xb0')
'PRIV:WM/WMContentID:òÇ:âZpÿA\x81á©zá¯Å('           PRIV(owner='WM/WMContentID', data=b'\xf2\xc7:\xe2Zp\xffA\x81\xe1\xa9z\xe1\xaf\xc5(')
'TALB' (Album/Movie/Show title)                     '36 All-Time Greatest Hits'
'TBPM' (BPM (beats per minute))                     '112.134'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1957'
'TIT2' (Title/songname/content description)         'Dynamite'
'TKEY' (Initial key)                                '7B'
'TLEN' (Length)                                     '124573'
'TPE1' (Lead performer(s)/Soloist(s))               'Brenda Lee'
'TPUB' (Publisher)                                  'GSC'
'TRCK' (Track number/Position in set)               '374'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['oldies', '60s', 'country', 'female vocalists', 'rockabilly', 'christmas']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.12 dB'
'TXXX:replaygain_track_peak'                        '0.330967'

========================== row from database ==========================
                                              'id'  1426802
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1957/57-374 - Brenda Lee - Dynamite.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  124
                                           'genre'  prerock-unsorted
                                        'filesize'  4982144
                                           'mtime'  1621698346
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1957 57 374 prerock unsorted
                                      'tag_artist'  Brenda Lee
                                     'tag_release'  36 All-Time Greatest Hits
                                       'tag_title'  Dynamite
                                             'bpm'  112.134
                                    'search_title'  'dynamite':1
                                   'search_artist'  'brenda':1 'lee':2
                                  'search_release'  '36':1 'all':2 'alltime':4 'greatest':5 'hits':6 'time':3
                                     'search_rest'  '00oldiepop':5 '1957':6 '374':8 '57':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':9 'unsorted':10
                                    'search_combo'  '00oldiepop':14 '1957':15 '36':4C '374':17 '57':16 'all':5C 'alltime':7C 'brenda':2B 'country':13 'dynamite':1A 'exotica':11 'greatest':8C 'hits':9C 'jazz':10 'lee':3B 'oldies':12 'prerock':18 'time':6C 'unsorted':19
                                    'tag_tracknum'  374
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['oldies', '60s', 'country', 'female vocalists', 'rockabilly', 'christmas']
                                        'tag_date'  1957
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621698345.5796275  (2021-05-22 17:45:45)
                             'size'  4982144