======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '208'
                                          'artist'  'Natacha Atlas'
                                     'text_people'  ''
                                         'release'  'Halim'
                                           'title'  'Moustahil'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['world', 'arabic', 'female vocalists', 'world music', 'electronic']"
                                     'discogstags'  "['electronic', 'pop', 'progressive house', 'leftfield', 'downtempo']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '12'
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'loc-m'
                                             'bpm'  '117.466'
                                             'key'  '5A'
                                        'acoustid'  '3c4b5c4e-cd75-45fd-a8c2-c7f45b8c2fe9'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Halim'
'TBPM' (BPM (beats per minute))                     '117.466'
'TCON' (Content type, a.k.a. Genre)                 'loc-m'
'TDOR' (Original release time)                      '1997'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Moustahil'
'TKEY' (Initial key)                                '5A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Natacha Atlas'
'TPE2' (Band/orchestra/accompaniment)               'Natacha Atlas'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Nation Records'
'TRCK' (Track number/Position in set)               '2/12'
'TSO2'                                              'Atlas, Natacha'
'TSOP' (Performer sort order)                       'Atlas, Natacha'
'TSRC' (ISRC (international standard recording code))  'GBBKU9700022'
'TXXX:ASIN'                                         'B000007X96'
'TXXX:Acoustid Id'                                  '3c4b5c4e-cd75-45fd-a8c2-c7f45b8c2fe9'
'TXXX:BARCODE'                                      '5018560108727'
'TXXX:CATALOGNUMBER'                                'NAT CD 1087'
'TXXX:MusicBrainz Album Artist Id'                  '5b86eefc-f3b2-4b91-8161-c505869fb17f'
'TXXX:MusicBrainz Album Id'                         'e318f099-c978-325f-955b-a33601ee8231'
'TXXX:MusicBrainz Album Release Country'            'BE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '5b86eefc-f3b2-4b91-8161-c505869fb17f'
'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:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic', 'pop', 'progressive house', 'leftfield', 'downtempo']
'TXXX:lastfmtags'                                   ['world', 'arabic', 'female vocalists', 'world music', 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.46 dB'
'TXXX:replaygain_track_peak'                        '0.751390'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'fd4fcb92-e0ca-4888-80de-10904d7fe638')

========================== row from database ==========================
                                              'id'  1116697
                                            'path'  /data/Music/Bulk/00localcharacter/Natacha Atlas/Tracks from various albums & singles [128k-192k]/Natasha  Atlas - moustahil.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  208
                                           'genre'  loc-m
                                        'filesize'  3342797
                                           'mtime'  1620527657
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Tracks from various albums & singles [128k 192k] Natasha moustahil loc
                                      'tag_artist'  Natacha Atlas
                                     'tag_release'  Halim
                                       'tag_title'  Moustahil
                                             'bpm'  117.466
                                    'search_title'  'moustahil':1
                                   'search_artist'  'atlas':2 'natacha':1
                                  'search_release'  'halim':1
                                     'search_rest'  '128k':6,7 '192k':8,9 'albums':4 'from':2 'loc':12 'moustahil':11 'natasha':10 'singles':5 'tracks':1 'various':3
                                    'search_combo'  '128k':10,11 '192k':12,13 'albums':8 'atlas':3B 'from':6 'halim':4C 'loc':16 'moustahil':1A,15 'natacha':2B 'natasha':14 'singles':9 'tracks':5 'various':7
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['world', 'arabic', 'female vocalists', 'world music', 'electronic']
                                        'tag_date'  1997
                                     'discogstags'  ['electronic', 'pop', 'progressive house', 'leftfield', 'downtempo']

============================== file details ==============================
                                           'mtime'  1620527656.7239306  (2021-05-09 04:34:16)
                             'size'  3342797