======================== unified (from filesystem) ========================
                                         'bitrate'  '64.0'
                                        'duration'  '348'
                                          'artist'  'Kudsi Erguner'
                                     'text_people'  ''
                                         'release'  'Prince Dimitri Kandemi 1673-1723'
                                           'title'  'Pencgah Saz Semai'
                                           '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-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['world', 'sufi', 'ney', 'world music', 'turkish']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'loc-m-turkey-classical'
                                             'bpm'  '134.0'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Prince Dimitri Kandemi 1673-1723'
'TBPM' (BPM (beats per minute))                     '134.0'
'TCON' (Content type, a.k.a. Genre)                 'loc-m-turkey-classical'
'TDRC' (Recording time)                             '1990'
'TIT2' (Title/songname/content description)         'Pencgah Saz Semai'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Kudsi Erguner'
'TRCK' (Track number/Position in set)               '11'
'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:lastfmtags'                                   ['world', 'sufi', 'ney', 'world music', 'turkish']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.35 dB'
'TXXX:replaygain_track_peak'                        '0.513365'

========================== row from database ==========================
                                              'id'  1402114
                                            'path'  /data/Music/Bulk/00localcharacter/00south-europe-middle-east/Kudsi Erguner - Prince Dimitri Kandemi 1673 - 1723/11. Kudsi Erguner - Pencgah Saz Semai.mp3
                                         'working'  None
                                         'bitrate'  64
                                    'duration_sec'  348
                                           'genre'  loc-m-turkey-classical
                                        'filesize'  2787328
                                           'mtime'  1620526516
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00south europe middle east 11. loc turkey classical
                                      'tag_artist'  Kudsi Erguner
                                     'tag_release'  Prince Dimitri Kandemi 1673-1723
                                       'tag_title'  Pencgah Saz Semai
                                             'bpm'  134.0
                                    'search_title'  'pencgah':1 'saz':2 'semai':3
                                   'search_artist'  'erguner':2 'kudsi':1
                                  'search_release'  '1673':4 '16731723':6 '1723':5 'dimitri':2 'kandemi':3 'prince':1
                                     'search_rest'  '00south':1 '11':5,6 'classical':9 'east':4 'europe':2 'loc':7 'middle':3 'turkey':8
                                    'search_combo'  '00south':12 '11':16,17 '1673':9C '16731723':11C '1723':10C 'classical':20 'dimitri':7C 'east':15 'erguner':5B 'europe':13 'kandemi':8C 'kudsi':4B 'loc':18 'middle':14 'pencgah':1A 'prince':6C 'saz':2A 'semai':3A 'turkey':19
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['world', 'sufi', 'ney', 'world music', 'turkish']
                                        'tag_date'  1990
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620526516.3648856  (2021-05-09 04:15:16)
                             'size'  2787328