======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '288'
                                          'artist'  'Warda'
                                     'text_people'  ''
                                         'release'  'World tracks from various countries and albums'
                                           'title'  'Madritouche (1)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-1', 'Q-UNU-2', 'Q-LOCALNESS-3', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['arabic', 'warda', 'belly dance', 'algeria', 'bellydance']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '135.184'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'World tracks from various countries and albums'
'TBPM' (BPM (beats per minute))                     '135.184'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TIT2' (Title/songname/content description)         'Madritouche (1)'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Warda'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Mp3gain_minmax'                               '000,191'
'TXXX:Mp3gain_undo'                                 '+006,+006,N'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['arabic', 'warda', 'belly dance', 'algeria', 'bellydance']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.21 dB'
'TXXX:replaygain_track_peak'                        '0.365015'

========================== row from database ==========================
                                              'id'  1522943
                                            'path'  /data/Music/Bulk/0soundtrack/VA - __World__ tracks from various countries & albums/World [vBr]/Warda - Madritouche (1).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  288
                                           'genre'  loc-unsorted
                                        'filesize'  4618730
                                           'mtime'  1621630390
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack VA __World__ & [vBr] loc unsorted
                                      'tag_artist'  Warda
                                     'tag_release'  World tracks from various countries and albums
                                       'tag_title'  Madritouche (1)
                                             'bpm'  135.184
                                    'search_title'  '1':2,3 'madritouche':1
                                   'search_artist'  'warda':1
                                  'search_release'  'albums':7 'and':6 'countries':5 'from':3 'tracks':2 'various':4 'world':1
                                     'search_rest'  '0soundtrack':1 'br':10,11 'loc':6 'unsorted':7 'v':8,9 'va':2 'vbr':4,5 'world':3
                                    'search_combo'  '0soundtrack':12 '1':2A,3A 'albums':11C 'and':10C 'br':21,22 'countries':9C 'from':7C 'loc':17 'madritouche':1A 'tracks':6C 'unsorted':18 'v':19,20 'va':13 'various':8C 'vbr':15,16 'warda':4B 'world':5C,14
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['arabic', 'warda', 'belly dance', 'algeria', 'bellydance']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621630390.0229378  (2021-05-21 22:53:10)
                             'size'  4618730