======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '136'
                                          'artist'  '[unknown]'
                                     'text_people'  ''
                                         'release'  'Music from the Himalayas Argo ZFB 40'
                                           'title'  "B4 Dimacha Kachari 2'10"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1967'
                                        'comments'  ''
                                           'genre'  'loc-asia'
                                             'bpm'  '101.717'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Music from the Himalayas Argo ZFB 40'
'TBPM' (BPM (beats per minute))                     '101.717'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia'
'TDRC' (Recording time)                             '1967'
'TENC' (Encoded by)                                 'LAME 3.98 (Max 0.9.1)'
'TIT2' (Title/songname/content description)         "B4 Dimacha Kachari 2'10"
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               '[unknown]'
'TRCK' (Track number/Position in set)               '4'
'TXXX:ENCODINGTIME'                                 '2011-02-13T19:12:29'
'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:TAGGINGTIME'                                  '2011-02-13T19:12:29'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.53 dB'
'TXXX:replaygain_track_peak'                        '0.446345'

========================== row from database ==========================
                                              'id'  1518205
                                            'path'  /data/Music/Bulk/00localcharacter/00south-europe-middle-east/Deben Bhattacharya - Music from the Himalayas (Argo ZFB 40, 1967)/11 - B4 Dimacha Kachari 2_10-sf.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  136
                                           'genre'  loc-asia
                                        'filesize'  5490319
                                           'mtime'  1652397838
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00south europe middle east Deben Bhattacharya (Argo 40, 1967) 11 2_10 sf loc asia
                                      'tag_artist'  [unknown]
                                     'tag_release'  Music from the Himalayas Argo ZFB 40
                                       'tag_title'  B4 Dimacha Kachari 2'10
                                             'bpm'  101.717
                                    'search_title'  '10':5 '2':4 '210':6 'b4':1 'dimacha':2 'kachari':3
                                   'search_artist'  'unknown':1,2
                                  'search_release'  '40':7 'argo':5 'from':2 'himalayas':4 'music':1 'the':3 'zfb':6
                                     'search_rest'  '00south':1 '10':14 '1967':11,12 '2':13 '40':9,10 'argo':7,8 'asia':17 'bhattacharya':6 'deben':5 'east':4 'europe':2 'loc':16 'middle':3 'sf':15
                                    'search_combo'  '00south':16 '10':5A,29 '1967':26,27 '2':4A,28 '210':6A '40':15C,24,25 'argo':13C,22,23 'asia':32 'b4':1A 'bhattacharya':21 'deben':20 'dimacha':2A 'east':19 'europe':17 'from':10C 'himalayas':12C 'kachari':3A 'loc':31 'middle':18 'music':9C 'sf':30 'the':11C 'unknown':7B,8B 'zfb':14C
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HAP-3', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-1', 'Q-LOCALNESS-4', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']
                                      'lastfmtags'  []
                                        'tag_date'  1967
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1652397838.2791703  (2022-05-13 01:23:58)
                             'size'  5490319