======================== unified (from filesystem) ========================
                                         'bitrate'  '96.0'
                                        'duration'  '325'
                                          'artist'  'Lata Mangeshkar & Kishore Kumar'
                                     'text_people'  ''
                                         'release'  'Bollywood for the Skeptical'
                                           'title'  'Dekha Ek Khwab'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-3', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'q-play-2', 'Q-JZFKS-1', 'Q-OLDST-1', 'q-chart-2', 'q-drums-2', 'q-other-3', "
 "'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-4']")
                                      'lastfmtags'  "['bollywood', 'hindi', 'kishore kumar', 'indian', 'kanchi re kanchi re']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-asia-india'
                                             'bpm'  '98.025'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Bollywood for the Skeptical'
'TBPM' (BPM (beats per minute))                     '98.025'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-india'
'TIT2' (Title/songname/content description)         'Dekha Ek Khwab'
'TKEY' (Initial key)                                '1A'
'TLEN' (Length)                                     '325000'
'TMED' (Media type)                                 'DIG'
'TPE1' (Lead performer(s)/Soloist(s))               'Lata Mangeshkar & Kishore Kumar'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '04'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:lastfmtags'                                   ['bollywood', 'hindi', 'kishore kumar', 'indian', 'kanchi re kanchi re']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'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'                        '+0.29 dB'
'TXXX:replaygain_track_peak'                        '0.529247'

========================== row from database ==========================
                                              'id'  783402
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Lounge/Bollywood for the Skeptical/04 - Dekha Ek Khwab.mp3
                                         'working'  None
                                         'bitrate'  96
                                    'duration_sec'  325
                                           'genre'  loc-asia-india
                                        'filesize'  3903367
                                           'mtime'  1621626189
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Lounge 04 loc asia india
                                      'tag_artist'  Lata Mangeshkar & Kishore Kumar
                                     'tag_release'  Bollywood for the Skeptical
                                       'tag_title'  Dekha Ek Khwab
                                             'bpm'  98.025
                                    'search_title'  'dekha':1 'ek':2 'khwab':3
                                   'search_artist'  'kishore':3 'kumar':4 'lata':1 'mangeshkar':2
                                  'search_release'  'bollywood':1 'for':2 'skeptical':4 'the':3
                                     'search_rest'  'asia':7 'country':4 'exotica':2 'india':8 'jazz':1 'loc':6 'lounge':5 'oldies':3
                                    'search_combo'  'asia':18 'bollywood':8C 'country':15 'dekha':1A 'ek':2A 'exotica':13 'for':9C 'india':19 'jazz':12 'khwab':3A 'kishore':6B 'kumar':7B 'lata':4B 'loc':17 'lounge':16 'mangeshkar':5B 'oldies':14 'skeptical':11C 'the':10C
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['bollywood', 'hindi', 'kishore kumar', 'indian', 'kanchi re kanchi re']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621626189.0144036  (2021-05-21 21:43:09)
                             'size'  3903367