======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '260'
                                          'artist'  'Sheikh Yasin Al-Tuhami'
                                     'text_people'  ''
                                         'release'  'World tracks from various countries and albums'
                                           'title'  'Qalbi Yuhaddithuni'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-UNU-3', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['sufi', 'egyptian', 'folk', 'vocal', 'world']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '11'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'loc-m'
                                             'bpm'  '110'
                                             'key'  '6B'
                                        'acoustid'  '50c4322b-51d4-4460-9e25-1640e0116448'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'World tracks from various countries and albums'
'TBPM' (BPM (beats per minute))                     '110'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'loc-m'
'TDOR' (Original release time)                      '2003'
'TDRC' (Recording time)                             '2003-08-26'
'TIT2' (Title/songname/content description)         'Qalbi Yuhaddithuni'
'TKEY' (Initial key)                                '6B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Sheikh Yasin Al-Tuhami'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '4/4'
'TPUB' (Publisher)                                  'World Music Network'
'TRCK' (Track number/Position in set)               '4/11'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Al-Tuhami, Sheikh Yasin'
'TSST' (Set subtitle)                               'The Rough Guide to Sufi Music'
'TXXX:ASIN'                                         'B0000AQORK'
'TXXX:Acoustid Id'                                  '50c4322b-51d4-4460-9e25-1640e0116448'
'TXXX:Artists'                                      'Sheikh Yasin Al-Tuhami'
'TXXX:BARCODE'                                      '605633900422'
'TXXX:CATALOGNUMBER'                                'RGBOX4'
'TXXX:Mp3gain_minmax'                               '000,195'
'TXXX:Mp3gain_undo'                                 '+004,+004,N'
'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:lastfmtags'                                   ['sufi', 'egyptian', 'folk', 'vocal', 'world']
'TXXX:originalyear'                                 '2003'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.13 dB'
'TXXX:replaygain_track_peak'                        '0.565513'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'32d58412-e7f4-43cc-a548-913c74623033')

========================== row from database ==========================
                                              'id'  1526741
                                            'path'  /data/Music/Bulk/0soundtrack/VA - __World__ tracks from various countries & albums/Arabic Music [64k-128k]/Arabic Belly Dance Music - Amr Diab and Cheb Khaled - Qalbi .mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  260
                                           'genre'  loc-m
                                        'filesize'  4208317
                                           'mtime'  1620527806
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack VA __World__ & Arabic Music [64k 128k] Arabic Belly Dance Music Amr Diab Cheb Khaled loc
                                      'tag_artist'  Sheikh Yasin Al-Tuhami
                                     'tag_release'  World tracks from various countries and albums
                                       'tag_title'  Qalbi Yuhaddithuni
                                             'bpm'  110.0
                                    'search_title'  'qalbi':1 'yuhaddithuni':2
                                   'search_artist'  'al':3 'altuhami':5 'sheikh':1 'tuhami':4 'yasin':2
                                  'search_release'  'albums':7 'and':6 'countries':5 'from':3 'tracks':2 'various':4 'world':1
                                     'search_rest'  '0soundtrack':1 '128k':8,9 '64k':6,7 'amr':12 'arabic':4 'belly':10 'cheb':14 'dance':11 'diab':13 'khaled':15 'loc':16 'music':5 'va':2 'world':3
                                    'search_combo'  '0soundtrack':15 '128k':22,23 '64k':20,21 'al':5B 'albums':14C 'altuhami':7B 'amr':26 'and':13C 'arabic':18 'belly':24 'cheb':28 'countries':12C 'dance':25 'diab':27 'from':10C 'khaled':29 'loc':30 'music':19 'qalbi':1A 'sheikh':3B 'tracks':9C 'tuhami':6B 'va':16 'various':11C 'world':8C,17 'yasin':4B 'yuhaddithuni':2A
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-4', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['sufi', 'egyptian', 'folk', 'vocal', 'world']
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620527805.8790529  (2021-05-09 04:36:45)
                             'size'  4208317