======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '251'
                                          'artist'  'The Barry Sisters'
                                     'text_people'  ''
                                         'release'  'Main Glick'
                                           'title'  'Mama'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-OLDST-2', 'Q-LOCALNESS-2', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['oldies', 'jewish', 'jazz', 'big band', 'yiddish', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '144.3'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

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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')
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'PRIV:WM/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:vþ \x11LÌáC\x99\x89A¾A\x82O\x04'  PRIV(owner='WM/WMCollectionGroupID', data=b'v\xfe \x11L\xcc\xe1C\x99\x89A\xbeA\x82O\x04')
'PRIV:WM/WMCollectionID:vþ \x11LÌáC\x99\x89A¾A\x82O\x04'  PRIV(owner='WM/WMCollectionID', data=b'v\xfe \x11L\xcc\xe1C\x99\x89A\xbeA\x82O\x04')
"PRIV:WM/WMContentID:\x1f±\r´'+FN\x9dm\x9e_\t\x14\x9e\x1f"  PRIV(owner='WM/WMContentID', data=b"\x1f\xb1\r\xb4'+FN\x9dm\x9e_\t\x14\x9e\x1f")
'TALB' (Album/Movie/Show title)                     'Main Glick'
'TBPM' (BPM (beats per minute))                     '144.3'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Mama'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Barry Sisters'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['oldies', 'jewish', 'jazz', 'big band', 'yiddish', 'swing']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                        '+1.33 dB'
'TXXX:replaygain_track_peak'                        '0.566784'

========================== row from database ==========================
                                              'id'  731955
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/the barry sisters - mein glick (russian swing)/sestryi_berri_(the_barry_sisters)_-_07_-_mama.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  251
                                           'genre'  loc-unsorted
                                        'filesize'  6049551
                                           'mtime'  1678463445
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm the barry sisters mein glick (russian swing) sestryi_berri_(the_barry_sisters)_ _07_ _mama loc unsorted
                                      'tag_artist'  The Barry Sisters
                                     'tag_release'  Main Glick
                                       'tag_title'  Mama
                                             'bpm'  144.3
                                    'search_title'  'mama':1
                                   'search_artist'  'barry':2 'sisters':3 'the':1
                                  'search_release'  'glick':2 'main':1
                                     'search_rest'  '07':20 'barry':2,13,18 'berri':11,16 'glick':5 'loc':22 'mama':21 'mein':4 'russian':6,7 'sestryi':10,15 'sisters':3,14,19 'swing':8,9 'the':1,12,17 'unsorted':23
                                    'search_combo'  '07':26 'barry':3B,8,19,24 'berri':17,22 'glick':6C,11 'loc':28 'main':5C 'mama':1A,27 'mein':10 'russian':12,13 'sestryi':16,21 'sisters':4B,9,20,25 'swing':14,15 'the':2B,7,18,23 'unsorted':29
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-OLDST-2', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['oldies', 'jewish', 'jazz', 'big band', 'yiddish', 'swing']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678463445.0641758  (2023-03-10 16:50:45)
                             'size'  6049551