======================== unified (from filesystem) ========================
                                         'bitrate'  '98.47'
                                        'duration'  '86'
                                          'artist'  'Mohammed Rafi'
                                     'text_people'  ''
                                         'release'  'Bollywood for the Skeptical'
                                           'title'  'Chand Mera Dil Chandni Ho Tum (short version)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-3', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rafi', 'soundtrack', 'indian', 'hindi', 'world', 'bollywood']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '143.619'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:PeakValue:ªS\x00\x00'                         PRIV(owner='PeakValue', data=b'\xaaS\x00\x00')
'TALB' (Album/Movie/Show title)                     'Bollywood for the Skeptical'
'TBPM' (BPM (beats per minute))                     '143.619'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TIT2' (Title/songname/content description)         'Chand Mera Dil Chandni Ho Tum (short version)'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Mohammed Rafi'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '01'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rafi', 'soundtrack', 'indian', 'hindi', 'world', 'bollywood']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.67 dB'
'TXXX:replaygain_track_peak'                        '0.462197'

========================== row from database ==========================
                                              'id'  772619
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Lounge/Bollywood for the Skeptical/01 - Chand Mera Dil Chand.mp3
                                         'working'  None
                                         'bitrate'  98
                                    'duration_sec'  86
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  1075162
                                           'mtime'  1620531898
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Lounge 01 prerock jb jazz lounge exotica bossa
                                      'tag_artist'  Mohammed Rafi
                                     'tag_release'  Bollywood for the Skeptical
                                       'tag_title'  Chand Mera Dil Chandni Ho Tum (short version)
                                             'bpm'  143.619
                                    'search_title'  'chand':1 'chandni':4 'dil':3 'ho':5 'mera':2 'short':7,8 'tum':6 'version':9,10
                                   'search_artist'  'mohammed':1 'rafi':2
                                  'search_release'  'bollywood':1 'for':2 'skeptical':4 'the':3
                                     'search_rest'  'bossa':8 'country':4 'exotica':2 'jazz':1 'jb':7 'lounge':5 'oldies':3 'prerock':6
                                    'search_combo'  'bollywood':13C 'bossa':24 'chand':1A 'chandni':4A 'country':20 'dil':3A 'exotica':18 'for':14C 'ho':5A 'jazz':17 'jb':23 'lounge':21 'mera':2A 'mohammed':11B 'oldies':19 'prerock':22 'rafi':12B 'short':7A,8A 'skeptical':16C 'the':15C 'tum':6A 'version':9A,10A
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rafi', 'soundtrack', 'indian', 'hindi', 'world', 'bollywood']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620531898.1466982  (2021-05-09 05:44:58)
                             'size'  1075162