======================== unified (from filesystem) ========================
                                         'bitrate'  '217.31'
                                        'duration'  '392'
                                          'artist'  ''
                                     'text_people'  ''
                                         'release'  'Radio India: The Eternal Dream of Sound'
                                           'title'  'Radio Calcutta #2'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['trance', 'jazz', 'electronic', 'techno', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '10'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'loc-asia-india'
                                             'bpm'  '105.094'
                                             'key'  '7A'
                                        'acoustid'  '6ed3d99f-bd4d-437b-b40c-d9bc5c4b258e'
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00000cf2 00001371 00003d13 00006371 00041c81 000381ac 00007250 00007fbd '
 '0000b9f4 000305f8')
'TALB' (Album/Movie/Show title)                     'Radio India: The Eternal Dream of Sound'
'TBPM' (BPM (beats per minute))                     '105.094'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-india'
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2004-07-13'
'TIT2' (Title/songname/content description)         'Radio Calcutta #2'
'TKEY' (Initial key)                                '7A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Various Artists'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '2/2'
'TPUB' (Publisher)                                  'Sublime Frequencies'
'TRCK' (Track number/Position in set)               '1/10'
'TSO2'                                              '[unknown]'
'TSOP' (Performer sort order)                       '[unknown]'
'TXXX:ASIN'                                         'B0002IQLAS'
'TXXX:Acoustid Id'                                  '6ed3d99f-bd4d-437b-b40c-d9bc5c4b258e'
'TXXX:CATALOGNUMBER'                                'SF014'
'TXXX:MusicBrainz Album Artist Id'                  '125ec42a-7229-4250-afc5-e057484327fe'
'TXXX:MusicBrainz Album Id'                         '4bf11bba-9dd0-4820-a1ad-2e45b61e816f'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '125ec42a-7229-4250-afc5-e057484327fe'
'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:lastfmtags'                                   ['trance', 'jazz', 'electronic', 'techno', 'rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'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'                        '+0.24 dB'
'TXXX:replaygain_track_peak'                        '0.427299'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'e1ba0d2e-c51d-4660-b9c2-a731ce3a2cdd')

========================== row from database ==========================
                                              'id'  479084
                                            'path'  /data/Music/Bulk/00localcharacter/Sublime Frequencies/[SF014] Various Artists -  Radio India The Eternal Dream Of Sound (Sublime Frequencies,2004)/Disc 2/2-01 - Radio Calcutta #2.mp3
                                         'working'  None
                                         'bitrate'  217
                                    'duration_sec'  392
                                           'genre'  loc-asia-india
                                        'filesize'  10657545
                                           'mtime'  1621629781
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Sublime Frequencies [SF014] Various Artists Of (Sublime Frequencies,2004) Disc 01 loc asia india
                                      'tag_artist'  Various Artists
                                     'tag_release'  Radio India: The Eternal Dream of Sound
                                       'tag_title'  Radio Calcutta #2
                                             'bpm'  105.094
                                    'search_title'  '2':3,4 'calcutta':2 'radio':1
                                   'search_artist'  'artists':2 'various':1
                                  'search_release'  'dream':6 'eternal':5 'india':2,3 'of':7 'radio':1 'sound':8 'the':4
                                     'search_rest'  '2004':10,12 'artists':6 'asia':15 'disc':13 'frequencies':2,9,11 'india':16 'loc':14 'of':7 'sf014':3,4 'sublime':1,8 'various':5
                                    'search_combo'  '2':3A,4A '2004':22,24 'artists':18 'asia':27 'calcutta':2A 'disc':25 'dream':10C 'eternal':9C 'frequencies':14,21,23 'india':6C,7C,28 'loc':26 'of':11C,19 'radio':1A,5C 'sf014':15,16 'sound':12C 'sublime':13,20 'the':8C 'various':17
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['trance', 'jazz', 'electronic', 'techno', 'rock']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629780.5208786  (2021-05-21 22:43:00)
                             'size'  10657545