======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '184'
                                          'artist'  'Harry Belafonte'
                                     'text_people'  ''
                                         'release'  'All Time Greatest Hits, Vol. 1'
                                           'title'  'Jamaica Farewell'
                                           'quals'  ("['Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-1', 'q-play-2', 'q-chart-1', "
 "'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['60s', 'calypso', 'folk', 'oldies', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '123'
                                      'tracktotal'  ''
                                            'date'  '1957'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '144.028'
                                             'key'  '10B'
                                        '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')
'PRIV:WM/Provider:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
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'PRIV:WM/WMCollectionGroupID:#\x848TúèGE\x87»W©Á\x1f~S'  PRIV(owner='WM/WMCollectionGroupID', data=b'#\x848T\xfa\xe8GE\x87\xbbW\xa9\xc1\x1f~S')
'PRIV:WM/WMCollectionID:#\x848TúèGE\x87»W©Á\x1f~S'  PRIV(owner='WM/WMCollectionID', data=b'#\x848T\xfa\xe8GE\x87\xbbW\xa9\xc1\x1f~S')
"PRIV:WM/WMContentID:\x9b\x8a$:¯á'G·é\x0bïê\x18éò"  PRIV(owner='WM/WMContentID', data=b"\x9b\x8a$:\xaf\xe1'G\xb7\xe9\x0b\xef\xea\x18\xe9\xf2")
'TALB' (Album/Movie/Show title)                     'All Time Greatest Hits, Vol. 1'
'TBPM' (BPM (beats per minute))                     '144.028'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1957'
'TIT2' (Title/songname/content description)         'Jamaica Farewell'
'TKEY' (Initial key)                                '10B'
'TLEN' (Length)                                     '184760'
'TPE1' (Lead performer(s)/Soloist(s))               'Harry Belafonte'
'TPUB' (Publisher)                                  'RCA'
'TRCK' (Track number/Position in set)               '123'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['60s', 'calypso', 'folk', 'oldies', 'swing']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.65 dB'
'TXXX:replaygain_track_peak'                        '0.534266'

========================== row from database ==========================
                                              'id'  1446117
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1957/1957-123 - Harry Belafonte - Jamaica Farewell.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  184
                                           'genre'  prerock-unsorted
                                        'filesize'  7392256
                                           'mtime'  1620387691
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1957 1957 123 prerock unsorted
                                      'tag_artist'  Harry Belafonte
                                     'tag_release'  All Time Greatest Hits, Vol. 1
                                       'tag_title'  Jamaica Farewell
                                             'bpm'  144.028
                                    'search_title'  'farewell':2 'jamaica':1
                                   'search_artist'  'belafonte':2 'harry':1
                                  'search_release'  '1':8 'all':1 'greatest':3 'hits':4,5 'time':2 'vol':6,7
                                     'search_rest'  '00oldiepop':5 '123':7 '1957':6 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':8 'unsorted':9
                                    'search_combo'  '00oldiepop':17 '1':12C '123':19 '1957':18 'all':5C 'belafonte':4B 'country':16 'exotica':14 'farewell':2A 'greatest':7C 'harry':3B 'hits':8C,9C 'jamaica':1A 'jazz':13 'oldies':15 'prerock':20 'time':6C 'unsorted':21 'vol':10C,11C
                                    'tag_tracknum'  123
                                      'num_images'  0
                                             'key'  10B
                                           '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-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['60s', 'calypso', 'folk', 'oldies', 'swing']
                                        'tag_date'  1957
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620387690.9678826  (2021-05-07 13:41:30)
                             'size'  7392256