======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '298'
                                          'artist'  '[Unknown]'
                                     'text_people'  ''
                                         'release'  'Songs and dances of Turkey [Folkways records \x13 FW8801; 1955]'
                                           'title'  'Mehter (classical, from Istanbul)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-3', 'Q-LOCALNESS-4', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '19'
                                      'tracktotal'  ''
                                            'date'  '1955'
                                        'comments'  ''
                                           'genre'  'loc-m-turkey'
                                             'bpm'  '96.438'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.OTHER (Other) b''
                                     
'TALB' (Album/Movie/Show title)                     'Songs and dances of Turkey [Folkways records \x13 FW8801; 1955]'
'TBPM' (BPM (beats per minute))                     '96.438'
'TCON' (Content type, a.k.a. Genre)                 'loc-m-turkey'
'TDRC' (Recording time)                             '1955'
'TIT2' (Title/songname/content description)         'Mehter (classical, from Istanbul)'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               '[Unknown]'
'TRCK' (Track number/Position in set)               '19'
'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'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+7.30 dB'
'TXXX:replaygain_track_peak'                        '0.856235'

========================== row from database ==========================
                                              'id'  1397349
                                            'path'  /data/Music/Bulk/00localcharacter/00south-europe-middle-east/Songs And Dances From Turkey, 1955 [FE 8801]/19 Mehter (classical, from Istanbul).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  298
                                           'genre'  loc-m-turkey
                                        'filesize'  12915044
                                           'mtime'  1620526660
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00south europe middle east And Dances From Turkey, [FE 8801] loc turkey
                                      'tag_artist'  [Unknown]
                                     'tag_release'  Songs and dances of Turkey [Folkways records  FW8801; 1955]
                                       'tag_title'  Mehter (classical, from Istanbul)
                                             'bpm'  96.438
                                    'search_title'  'classical':2,3 'from':4 'istanbul':5,6 'mehter':1
                                   'search_artist'  'unknown':1,2
                                  'search_release'  '1955':11,12 'and':2 'dances':3 'folkways':6,7 'fw8801':9,10 'of':4 'records':8 'songs':1 'turkey':5
                                     'search_rest'  '00south':1 '8801':12,13 'and':5 'dances':6 'east':4 'europe':2 'fe':10,11 'from':7 'loc':14 'middle':3 'turkey':8,9
                                    'search_combo'  '00south':21 '1955':19C,20C '8801':32,33 'and':10C,25 'classical':2A,3A 'dances':11C,26 'east':24 'europe':22 'fe':30,31 'folkways':14C,15C 'from':4A,27 'fw8801':17C,18C 'istanbul':5A,6A 'loc':34 'mehter':1A 'middle':23 'of':12C 'records':16C 'songs':9C 'turkey':13C,28,29 'unknown':7B,8B
                                    'tag_tracknum'  19
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-2', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['mysterious', 'unknown', 'all', 'mistagged artist', 'rock']
                                        'tag_date'  1955
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620526660.2329946  (2021-05-09 04:17:40)
                             'size'  12915044