======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '179'
                                          'artist'  'Bobby Helms'
                                     'text_people'  ''
                                         'release'  'Classic Country: 1950-1959 [2 CD] Disc 1'
                                           'title'  'My Special Angel'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
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 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['oldies', 'country', '50s', 'rockabilly', 'male vocalists', 'christmas']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '070'
                                      'tracktotal'  ''
                                            'date'  '1957'
                                        'comments'  ''
                                           'genre'  'rock-pop-early-rockabilly'
                                             'bpm'  '84.210'
                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

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'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')
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'PRIV:WM/WMCollectionGroupID:\x02\x81âÄa¹5K°ì\x97½d{î\x07'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x02\x81\xe2\xc4a\xb95K\xb0\xec\x97\xbdd{\xee\x07')
'PRIV:WM/WMCollectionID:\x02\x81âÄa¹5K°ì\x97½d{î\x07'  PRIV(owner='WM/WMCollectionID', data=b'\x02\x81\xe2\xc4a\xb95K\xb0\xec\x97\xbdd{\xee\x07')
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'TALB' (Album/Movie/Show title)                     'Classic Country: 1950-1959 [2 CD] Disc 1'
'TBPM' (BPM (beats per minute))                     '84.210'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-early-rockabilly'
'TDRC' (Recording time)                             '1957'
'TIT2' (Title/songname/content description)         'My Special Angel'
'TKEY' (Initial key)                                '3B'
'TLEN' (Length)                                     '179666'
'TPE1' (Lead performer(s)/Soloist(s))               'Bobby Helms'
'TPUB' (Publisher)                                  'Time Life'
'TRCK' (Track number/Position in set)               '070'
'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', 'country', '50s', 'rockabilly', 'male vocalists', 'christmas']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'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'                        '+2.49 dB'
'TXXX:replaygain_track_peak'                        '0.418883'

========================== row from database ==========================
                                              'id'  1441793
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1957/1957-070 - Bobby Helms - My Special Angel.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  179
                                           'genre'  rock-pop-early-rockabilly
                                        'filesize'  7181139
                                           'mtime'  1622659471
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1957 1957 070 rock pop early rockabilly
                                      'tag_artist'  Bobby Helms
                                     'tag_release'  Classic Country: 1950-1959 [2 CD] Disc 1
                                       'tag_title'  My Special Angel
                                             'bpm'  84.21
                                    'search_title'  'angel':3 'my':1 'special':2
                                   'search_artist'  'bobby':1 'helms':2
                                  'search_release'  '1':12 '1950':4 '19501959':6 '1959':5 '2':7,8 'cd':9,10 'classic':1 'country':2,3 'disc':11
                                     'search_rest'  '00oldiepop':5 '1957':6 'country':4 'early':9 'exotica':2 'jazz':1 'oldies':3 'pop':8 'rock':7 'rockabilly':10
                                    'search_combo'  '00oldiepop':22 '1':17C '1950':9C '19501959':11C '1957':23 '1959':10C '2':12C,13C 'angel':3A 'bobby':4B 'cd':14C,15C 'classic':6C 'country':7C,8C,21 'disc':16C 'early':26 'exotica':19 'helms':5B 'jazz':18 'my':1A 'oldies':20 'pop':25 'rock':24 'rockabilly':27 'special':2A
                                    'tag_tracknum'  70
                                      'num_images'  0
                                             'key'  3B
                                           '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-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['oldies', 'country', '50s', 'rockabilly', 'male vocalists', 'christmas']
                                        'tag_date'  1957
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622659470.5561535  (2021-06-02 20:44:30)
                             'size'  7181139