======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '199'
                                          'artist'  'Beach Boys'
                                     'text_people'  'Brian Wilson/Jack Rieley/Ray Kennedy/Tandyn Almer/Van Dyke Parks'
                                         'release'  'Progsoup 30'
                                           'title'  'Sail On Sailor'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['60s', 'classic rock', 'pop', 'surf', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '84'
                                      'tracktotal'  ''
                                            'date'  '1973'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '110.362'
                                             'key'  '9B'
                                        '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:ar^\x1aýÀóN\x90\x8aCS\x11\x1e~§'  PRIV(owner='WM/WMCollectionGroupID', data=b'ar^\x1a\xfd\xc0\xf3N\x90\x8aCS\x11\x1e~\xa7')
'PRIV:WM/WMCollectionID:ar^\x1aýÀóN\x90\x8aCS\x11\x1e~§'  PRIV(owner='WM/WMCollectionID', data=b'ar^\x1a\xfd\xc0\xf3N\x90\x8aCS\x11\x1e~\xa7')
'PRIV:WM/WMContentID:C;ÊÒ\x10¬\x80O\x81£ªJ£ck\x8d'  PRIV(owner='WM/WMContentID', data=b'C;\xca\xd2\x10\xac\x80O\x81\xa3\xaaJ\xa3ck\x8d')
'TALB' (Album/Movie/Show title)                     'Progsoup 30'
'TBPM' (BPM (beats per minute))                     '110.362'
'TCOM' (Composer)                                   'Brian Wilson/Jack Rieley/Ray Kennedy/Tandyn Almer/Van Dyke Parks'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '1973'
'TIT2' (Title/songname/content description)         'Sail On Sailor'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Beach Boys'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'EMI Japan'
'TRCK' (Track number/Position in set)               '84'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['60s', 'classic rock', 'pop', 'surf', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.75 dB'
'TXXX:replaygain_track_peak'                        '0.695748'

========================== row from database ==========================
                                              'id'  1410252
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 30 (hitsoup)/1750 beach boys - Sail On Sailor.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  199
                                           'genre'  rock-cppex-progressive
                                        'filesize'  7976850
                                           'mtime'  1620737119
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup (hitsoup) 1750 beach boys rock cppex progressive
                                      'tag_artist'  Beach Boys
                                     'tag_release'  Progsoup 30
                                       'tag_title'  Sail On Sailor
                                             'bpm'  110.362
                                    'search_title'  'on':2 'sail':1 'sailor':3
                                   'search_artist'  'beach':1 'boys':2
                                  'search_release'  '30':2 'progsoup':1
                                     'search_rest'  '1750':5 'beach':6 'boys':7 'classicprogpsy':1 'cppex':9 'hitsoup':3,4 'progressive':10 'progsoup':2 'rock':8
                                    'search_combo'  '1750':12 '30':7C 'beach':4B,13 'boys':5B,14 'classicprogpsy':8 'cppex':16 'hitsoup':10,11 'on':2A 'progressive':17 'progsoup':6C,9 'rock':15 'sail':1A 'sailor':3A
                                    'tag_tracknum'  84
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['60s', 'classic rock', 'pop', 'surf', 'rock']
                                        'tag_date'  1973
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737118.8148997  (2021-05-11 14:45:18)
                             'size'  7976850