======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '186'
                                          'artist'  'Ali Hassan Kuban'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Gammal (Live)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-UNU-3', '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-2']")
                                      'lastfmtags'  "['egypt', 'world', 'arabic', 'african', 'nubian']"
                                     'discogstags'  "['folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'loc-m'
                                             'bpm'  '88.709'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '88.709'
'TCON' (Content type, a.k.a. Genre)                 'loc-m'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Gammal (Live)'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ali Hassan Kuban'
'TPE2' (Band/orchestra/accompaniment)               'Ali Hassan Kuban'
'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:discogstags'                                  'folk, world, & country'
'TXXX:lastfmtags'                                   ['egypt', 'world', 'arabic', 'african', 'nubian']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+8.55 dB'
'TXXX:replaygain_track_peak'                        '0.260371'

========================== row from database ==========================
                                              'id'  1355444
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Ali Hassan Kuban - Gammal (Live) [].mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  186
                                           'genre'  loc-m
                                        'filesize'  4480406
                                           'mtime'  1620527794
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] [] loc
                                      'tag_artist'  Ali Hassan Kuban
                                     'tag_release'  None
                                       'tag_title'  Gammal (Live)
                                             'bpm'  88.709
                                    'search_title'  'gammal':1 'live':2,3
                                   'search_artist'  'ali':1 'hassan':2 'kuban':3
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'files':5,6 'loc':7 'loose':3,4 'unsorted':2
                                    'search_combo'  '00poprockelectronic':7 'ali':4B 'files':11,12 'gammal':1A 'hassan':5B 'kuban':6B 'live':2A,3A 'loc':13 'loose':9,10 'unsorted':8
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-2', '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'  ['egypt', 'world', 'arabic', 'african', 'nubian']
                                        'tag_date'  2008
                                     'discogstags'  ['folk, world, & country']

============================== file details ==============================
                                           'mtime'  1620527794.0576546  (2021-05-09 04:36:34)
                             'size'  4480406