======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '176'
                                          'artist'  'Sly And The Family Stone'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'I Wanna Take U Higher'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-UNU-1', 'Q-JZFKS-4', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['funk', 'soul', 'rhythm and blues', 'rock', '60s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'funk or soul-funk'
                                             'bpm'  '102.075'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

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'PCNT' (Play counter)                               PCNT(count=0)
'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')
'TBPM' (BPM (beats per minute))                     '102.075'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul-funk'
'TIT2' (Title/songname/content description)         'I Wanna Take U Higher'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sly And The Family Stone'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '4'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['funk', 'soul', 'rhythm and blues', 'rock', '60s']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.19 dB'
'TXXX:replaygain_track_peak'                        '0.516892'

========================== row from database ==========================
                                              'id'  782143
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Sly and the Family Stone/Sly and the Family Stone- Take You Higher.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  176
                                           'genre'  funk or soul-funk
                                        'filesize'  2832400
                                           'mtime'  1620665554
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country and the and the You funk or soul funk
                                      'tag_artist'  Sly And The Family Stone
                                     'tag_release'  None
                                       'tag_title'  I Wanna Take U Higher
                                             'bpm'  102.075
                                    'search_title'  'higher':5 'i':1 'take':3 'u':4 'wanna':2
                                   'search_artist'  'and':2 'family':4 'sly':1 'stone':5 'the':3
                                  'search_release'  
                                     'search_rest'  'and':5 'country':4 'exotica':2 'funk':8 'jazz':1 'oldies':3 'or':9 'soul':10 'the':6 'you':7
                                    'search_combo'  'and':7B,15 'country':14 'exotica':12 'family':9B 'funk':18 'higher':5A 'i':1A 'jazz':11 'oldies':13 'or':19 'sly':6B 'soul':20 'stone':10B 'take':3A 'the':8B,16 'u':4A 'wanna':2A 'you':17
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-4', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['funk', 'soul', 'rhythm and blues', 'rock', '60s']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620665554.2179713  (2021-05-10 18:52:34)
                             'size'  2832400