======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '599'
                                          'artist'  'Salade du chef'
                                     'text_people'  ''
                                         'release'  'Halal Disco & Oriental Delights'
                                           'title'  'Marwan Rahbani - سلطة الشيف - مروان الرحباني 186642317 - Music Together'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'loc-m-lebanon'
                                             'bpm'  '122'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Halal Disco & Oriental Delights'
'TBPM' (BPM (beats per minute))                     '122'
'TCON' (Content type, a.k.a. Genre)                 'loc-m-lebanon'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Marwan Rahbani - سلطة الشيف - مروان الرحباني 186642317 - Music Together'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Salade du chef'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'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:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+13.40 dB'
'TXXX:replaygain_track_peak'                        '0.112736'

========================== row from database ==========================
                                              'id'  1392210
                                            'path'  /data/Music/Bulk/00localcharacter/00south-europe-middle-east/Richard Kahwagi - HALAL DISCO & ORIENTAL DELIGHTS/Salade du chef - Marwan Rahbani - سلطة الشيف - مروان الرحباني_186642317 - Music Together.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  599
                                           'genre'  loc-m-lebanon
                                        'filesize'  9589706
                                           'mtime'  1620526655
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00south europe middle east Richard Kahwagi HALAL DISCO ORIENTAL DELIGHTS الرحباني_186642317 loc m lebanon
                                      'tag_artist'  Salade du chef
                                     'tag_release'  Halal Disco & Oriental Delights
                                       'tag_title'  Marwan Rahbani - سلطة الشيف - مروان الرحباني 186642317 - Music Together
                                             'bpm'  122.0
                                    'search_title'  '186642317':11 'elr':16 'elrhbeny':10 'elshyf':6 'hbeny':17 'marwan':1 'mrwen':8 'music':12 'rahbani':2 'sl':14 'slt':4 't':15 'together':13 'الرحباني':9 'الشيف':5 'سلطة':3 'مروان':7
                                   'search_artist'  'chef':3 'du':2 'salade':1
                                  'search_release'  'delights':4 'disco':2 'halal':1 'oriental':3
                                     'search_rest'  '00south':1 '186642317':12,14,20 'delights':10 'disco':8 'east':4 'elr':18 'elrhbeny':13 'europe':2 'halal':7 'hbeny':19 'kahwagi':6 'lebanon':17 'loc':15 'm':16 'middle':3 'oriental':9 'richard':5 'الرحباني':11
                                    'search_combo'  '00south':25 '186642317':11A,36,38,44 'chef':20B 'delights':24C,34 'disco':22C,32 'du':19B 'east':28 'elr':16A,42 'elrhbeny':10A,37 'elshyf':6A 'europe':26 'halal':21C,31 'hbeny':17A,43 'kahwagi':30 'lebanon':41 'loc':39 'm':40 'marwan':1A 'middle':27 'mrwen':8A 'music':12A 'oriental':23C,33 'rahbani':2A 'richard':29 'salade':18B 'sl':14A 'slt':4A 't':15A 'together':13A 'الرحباني':9A,35 'الشيف':5A 'سلطة':3A 'مروان':7A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           '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-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620526654.6709619  (2021-05-09 04:17:34)
                             'size'  9589706