======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '258'
                                          'artist'  'Farhad Darya Ordu'
                                     'text_people'  ''
                                         'release'  'World tracks from various countries and albums'
                                           'title'  ''
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-1', 'Q-UNU-2', 'Q-LOCALNESS-3', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '120.830'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'World tracks from various countries and albums'
'TBPM' (BPM (beats per minute))                     '120.830'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Farhad Darya Ordu'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Mp3gain_minmax'                               '000,196'
'TXXX:Mp3gain_undo'                                 '+004,+004,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:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.64 dB'
'TXXX:replaygain_track_peak'                        '0.559790'

========================== row from database ==========================
                                              'id'  1534219
                                            'path'  /data/Music/Bulk/0soundtrack/VA - __World__ tracks from various countries & albums/World [vBr]/(Afghani)Farhad Darya Ordu.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  258
                                           'genre'  loc-unsorted
                                        'filesize'  4136402
                                           'mtime'  1621630390
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack VA __World__ & [vBr] (Afghani)Farhad loc unsorted
                                      'tag_artist'  Farhad Darya Ordu
                                     'tag_release'  World tracks from various countries and albums
                                       'tag_title'  None
                                             'bpm'  120.83
                                    'search_title'  None
                                   'search_artist'  'darya':2 'farhad':1 'ordu':3
                                  'search_release'  'albums':7 'and':6 'countries':5 'from':3 'tracks':2 'various':4 'world':1
                                     'search_rest'  '0soundtrack':1 'afghani':6 'afghanifarhad':8 'br':13,14 'farhad':7 'loc':9 'unsorted':10 'v':11,12 'va':2 'vbr':4,5 'world':3
                                    'search_combo'  '0soundtrack':11 'afghani':16 'afghanifarhad':18 'albums':10C 'and':9C 'br':23,24 'countries':8C 'darya':2B 'farhad':1B,17 'from':6C 'loc':19 'ordu':3B 'tracks':5C 'unsorted':20 'v':21,22 'va':12 'various':7C 'vbr':14,15 'world':4C,13
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-piano-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621630389.8260822  (2021-05-21 22:53:09)
                             'size'  4136402