======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '316'
                                          'artist'  'salah ragab & the cairo jazz band'
                                     'text_people'  ''
                                         'release'  'Ramadan in space time'
                                           'title'  'mervat'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'Q-PLAY-2', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-1', "
 "'Q-PIANO-2', 'q-chart-1', 'q-drums-2', 'q-other-4', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['audible conquest', 'arabic 50s action hero jazz', 'jazz', 'space jazz', "
 "'egyptian jazz']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '07'
                                      'tracktotal'  ''
                                            'date'  '1968'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '107.893'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

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'COMM:iTunNORM:eng'                                 (' 0000087C 00000749 00002AFA 00002586 000138C5 00027145 00006DDF 000068D9 '
 '000138C5 000138C5')
'MCDI' (Music CD identifier)                        MCDI(data=b'7\x00+\x009\x006\x00+\x004\x00E\x00B\x00B\x00+\x00D\x00D\x001\x005\x00+\x001\x006\x00A\x008\x00E\x00+\x001\x00C\x003\x002\x002\x00+\x002\x001\x005\x00D\x00B\x00+\x002\x006\x00E\x00E\x000\x00+\x002\x00C\x00B\x009\x008\x00\x00\x00')
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'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
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'TALB' (Album/Movie/Show title)                     'Ramadan in space time'
'TBPM' (BPM (beats per minute))                     '107.893'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1968'
'TIT2' (Title/songname/content description)         'mervat'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '316466'
'TPE1' (Lead performer(s)/Soloist(s))               'salah ragab & the cairo jazz band'
'TRCK' (Track number/Position in set)               '07'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['audible conquest',
 'arabic 50s action hero jazz',
 'jazz',
 'space jazz',
 'egyptian jazz']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.20 dB'
'TXXX:replaygain_track_peak'                        '0.502915'

========================== row from database ==========================
                                              'id'  1269441
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Salah Ragab & The Cairo Jazz Band/Ramadan In Space Time - 2006 (1968-1973)/salah ragab & the cairo jazz band - Ramadan in space time - 07 - mervat.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  316
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  10116914
                                           'mtime'  1620534441
                                   'redo_metaread'  0
                                        'rest_str'   00blues exotica oldies country Salah Ragab The Cairo Jazz Band In Space Time 2006 (1968 1973) 07 prerock jb unsorted
                                      'tag_artist'  salah ragab & the cairo jazz band
                                     'tag_release'  Ramadan in space time
                                       'tag_title'  mervat
                                             'bpm'  107.893
                                    'search_title'  'mervat':1
                                   'search_artist'  'band':6 'cairo':4 'jazz':5 'ragab':2 'salah':1 'the':3
                                  'search_release'  'in':2 'ramadan':1 'space':3 'time':4
                                     'search_rest'  '1968':14,15 '1973':16,17 '2006':13 'band':9 'cairo':7 'country':3 'exotica':1 'in':10 'jazz':8 'jb':19 'oldies':2 'prerock':18 'ragab':5 'salah':4 'space':11 'the':6 'time':12 'unsorted':20
                                    'search_combo'  '1968':25,26 '1973':27,28 '2006':24 'band':7B,20 'cairo':5B,18 'country':14 'exotica':12 'in':9C,21 'jazz':6B,19 'jb':30 'mervat':1A 'oldies':13 'prerock':29 'ragab':3B,16 'ramadan':8C 'salah':2B,15 'space':10C,22 'the':4B,17 'time':11C,23 'unsorted':31
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['audible conquest', 'arabic 50s action hero jazz', 'jazz', 'space jazz', 'egyptian jazz']
                                        'tag_date'  1968
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620534440.8514013  (2021-05-09 06:27:20)
                             'size'  10116914