======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '247'
                                          'artist'  'Muhlis Akarsu'
                                     'text_people'  ''
                                         'release'  'seher yeli'
                                           'title'  'Matem Gunumu'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['halk muzigi', 'turkey', 'world', 'folk', 'turkish']"
                                     'discogstags'  "['folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-m-turkey'
                                             'bpm'  '143.416'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'seher yeli'
'TBPM' (BPM (beats per minute))                     '143.416'
'TCON' (Content type, a.k.a. Genre)                 'loc-m-turkey'
'TIT2' (Title/songname/content description)         'Matem Gunumu'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Muhlis Akarsu'
'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'                                   ['halk muzigi', 'turkey', 'world', 'folk', 'turkish']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.52 dB'
'TXXX:replaygain_track_peak'                        '0.349122'

========================== row from database ==========================
                                              'id'  1396745
                                            'path'  /data/Music/Bulk/00localcharacter/00south-europe-middle-east/muhlis akarsu - seher yeli/Muhlis Akarsu - Matem Gunumu.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  247
                                           'genre'  loc-m-turkey
                                        'filesize'  3968803
                                           'mtime'  1620527158
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00south europe middle east muhlis akarsu loc turkey
                                      'tag_artist'  Muhlis Akarsu
                                     'tag_release'  seher yeli
                                       'tag_title'  Matem Gunumu
                                             'bpm'  143.416
                                    'search_title'  'gunumu':2 'matem':1
                                   'search_artist'  'akarsu':2 'muhlis':1
                                  'search_release'  'seher':1 'yeli':2
                                     'search_rest'  '00south':1 'akarsu':6 'east':4 'europe':2 'loc':7 'middle':3 'muhlis':5 'turkey':8
                                    'search_combo'  '00south':7 'akarsu':4B,12 'east':10 'europe':8 'gunumu':2A 'loc':13 'matem':1A 'middle':9 'muhlis':3B,11 'seher':5C 'turkey':14 'yeli':6C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['halk muzigi', 'turkey', 'world', 'folk', 'turkish']
                                        'tag_date'  
                                     'discogstags'  ['folk, world, & country']

============================== file details ==============================
                                           'mtime'  1620527158.4948614  (2021-05-09 04:25:58)
                             'size'  3968803