======================== unified (from filesystem) ========================
                                         'bitrate'  '244.149'
                                        'duration'  '349'
                                          'artist'  'Gautam Dasgupta'
                                     'text_people'  ''
                                         'release'  'Bollywood Steel Guitar'
                                           'title'  'Duniya Mane Bura To Goli Maro'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                     'discogstags'  "['folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '21'
                                      'tracktotal'  '21'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'loc-asia-india'
                                             'bpm'  '134.021'
                                             'key'  '8A'
                                        'acoustid'  'ec195d0a-0d59-4ca1-b899-d71d602395c9'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Bollywood Steel Guitar'
'TBPM' (BPM (beats per minute))                     '134.021'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-india'
'TDOR' (Original release time)                      '2008'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Duniya Mane Bura To Goli Maro'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Gautam Dasgupta'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Sublime Frequencies'
'TRCK' (Track number/Position in set)               '21/21'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Dasgupta Gautam'
'TSSE' (Software/Hardware and settings used for encoding)  'Lame V3.97'
'TXXX:ASIN'                                         'B0014Z3OPS'
'TXXX:Acoustid Id'                                  'ec195d0a-0d59-4ca1-b899-d71d602395c9'
'TXXX:CATALOGNUMBER'                                'SF043'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '9011d2f6-3f38-4877-9464-f2a7bdacbc3f'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        'a693df33-902b-409d-aa7c-ea7877263ef7'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'folk, world, & country'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.61 dB'
'TXXX:replaygain_track_peak'                        '0.485417'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'a64e6f86-8f4a-4f9d-90f3-bbf5b48985ca')

========================== row from database ==========================
                                              'id'  479280
                                            'path'  /data/Music/Bulk/00localcharacter/Sublime Frequencies/[SF043] Various Artists - Bollywood Steel Guitar (Sublime Frequencies,2008)/21. Gautam Dasgupta - Duniya Mane Bura To Goli Maro.mp3
                                         'working'  None
                                         'bitrate'  244
                                    'duration_sec'  349
                                           'genre'  loc-asia-india
                                        'filesize'  10675426
                                           'mtime'  1621629813
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Sublime Frequencies [SF043] Various Artists (Sublime Frequencies,2008) 21. loc asia india
                                      'tag_artist'  Gautam Dasgupta
                                     'tag_release'  Bollywood Steel Guitar
                                       'tag_title'  Duniya Mane Bura To Goli Maro
                                             'bpm'  134.021
                                    'search_title'  'bura':3 'duniya':1 'goli':5 'mane':2 'maro':6 'to':4
                                   'search_artist'  'dasgupta':2 'gautam':1
                                  'search_release'  'bollywood':1 'guitar':3 'steel':2
                                     'search_rest'  '2008':9,11 '21':12,13 'artists':6 'asia':15 'frequencies':2,8,10 'india':16 'loc':14 'sf043':3,4 'sublime':1,7 'various':5
                                    'search_combo'  '2008':20,22 '21':23,24 'artists':17 'asia':26 'bollywood':9C 'bura':3A 'dasgupta':8B 'duniya':1A 'frequencies':13,19,21 'gautam':7B 'goli':5A 'guitar':11C 'india':27 'loc':25 'mane':2A 'maro':6A 'sf043':14,15 'steel':10C 'sublime':12,18 'to':4A 'various':16
                                    'tag_tracknum'  21
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2008
                                     'discogstags'  ['folk, world, & country']

============================== file details ==============================
                                           'mtime'  1621629813.3073044  (2021-05-21 22:43:33)
                             'size'  10675426