======================== unified (from filesystem) ========================
                                         'bitrate'  '96.0'
                                        'duration'  '331'
                                          'artist'  'George Wassouf'
                                     'text_people'  ''
                                         'release'  'Law Habeitak'
                                           'title'  'Track 04'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['arabic', 'syrian', 'arabic oldies', 'george wassouf', 'tarab']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'loc-m'
                                             'bpm'  '102.178'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Law Habeitak'
'TBPM' (BPM (beats per minute))                     '102.178'
'TCON' (Content type, a.k.a. Genre)                 'loc-m'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Track 04'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '332120'
'TMED' (Media type)                                 'DIG'
'TPE1' (Lead performer(s)/Soloist(s))               'George Wassouf'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '4'
'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:lastfmtags'                                   ['arabic', 'syrian', 'arabic oldies', 'george wassouf', 'tarab']
'TXXX:q-bass'                                       '1'
'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'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.52 dB'
'TXXX:replaygain_track_peak'                        '0.625835'

========================== row from database ==========================
                                              'id'  927488
                                            'path'  /data/Music/Bulk/00localcharacter/00south-europe-middle-east/Arabic Music Singles/2 Med. Volume [174k VBR]/Arabic-George Wassouf & Nagwa Karam - Law Habeitak.mp3
                                         'working'  None
                                         'bitrate'  96
                                    'duration_sec'  331
                                           'genre'  loc-m
                                        'filesize'  3981312
                                           'mtime'  1620526374
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00south europe middle east Arabic Music Singles 2 Med. Volume [174k VBR] Arabic & Nagwa Karam loc m
                                      'tag_artist'  George Wassouf
                                     'tag_release'  Law Habeitak
                                       'tag_title'  Track 04
                                             'bpm'  102.178
                                    'search_title'  'track':1
                                   'search_artist'  'george':1 'wassouf':2
                                  'search_release'  'habeitak':2 'law':1
                                     'search_rest'  '00south':1 '174k':12,13 '2':8 'arabic':5 'east':4 'europe':2 'karam':17 'loc':18 'm':19 'med':9,10 'middle':3 'music':6 'nagwa':16 'singles':7 'vbr':14,15 'volume':11
                                    'search_combo'  '00south':6 '174k':17,18 '2':13 'arabic':10 'east':9 'europe':7 'george':2B 'habeitak':5C 'karam':22 'law':4C 'loc':23 'm':24 'med':14,15 'middle':8 'music':11 'nagwa':21 'singles':12 'track':1A 'vbr':19,20 'volume':16 'wassouf':3B
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['arabic', 'syrian', 'arabic oldies', 'george wassouf', 'tarab']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620526374.4136803  (2021-05-09 04:12:54)
                             'size'  3981312