======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '133'
                                          'artist'  'Yemen'
                                     'text_people'  ''
                                         'release'  'In Israel Today vol.3'
                                           'title'  'Shir Hashirim (Cantillation)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['tribal', 'drums']"
                                     'discogstags'  "['alternative rock', 'shoegaze', 'no wave', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'loc-m-israel'
                                             'bpm'  '135.004'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 000004B8 000004F3 00001DCD 00001D29 0001E772 0001E772 00006A09 000084A5 '
 '0000CF0A 0000D5FA')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000A7B 000000000059B475 00000000 0028A415 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'In Israel Today vol.3'
'TBPM' (BPM (beats per minute))                     '135.004'
'TCON' (Content type, a.k.a. Genre)                 'loc-m-israel'
'TDRC' (Recording time)                             '1970'
'TENC' (Encoded by)                                 'iTunes 10.1'
'TIT2' (Title/songname/content description)         'Shir Hashirim (Cantillation)'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Yemen'
'TRCK' (Track number/Position in set)               '2'
'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'                                  ['alternative rock', 'shoegaze', 'no wave', 'rock']
'TXXX:lastfmtags'                                   ['tribal', 'drums']
'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'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.73 dB'
'TXXX:replaygain_track_peak'                        '0.865350'

========================== row from database ==========================
                                              'id'  1238140
                                            'path'  /data/Music/Bulk/00localcharacter/00south-europe-middle-east/Deben Bhattacharya - In Israel Today 3 (Westminster)/2.Shir Hashirim (Cantillation).mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  133
                                           'genre'  loc-m-israel
                                        'filesize'  4529009
                                           'mtime'  1620526510
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00south europe middle east Deben Bhattacharya (Westminster) 2.Shir loc israel
                                      'tag_artist'  Yemen
                                     'tag_release'  In Israel Today vol.3
                                       'tag_title'  Shir Hashirim (Cantillation)
                                             'bpm'  135.004
                                    'search_title'  'cantillation':3,4 'hashirim':2 'shir':1
                                   'search_artist'  'yemen':1
                                  'search_release'  '3':5 'in':1 'israel':2 'today':3 'vol':4 'vol3':6
                                     'search_rest'  '00south':1 '2':9 '2shir':11 'bhattacharya':6 'deben':5 'east':4 'europe':2 'israel':13 'loc':12 'middle':3 'shir':10 'westminster':7,8
                                    'search_combo'  '00south':12 '2':20 '2shir':22 '3':10C 'bhattacharya':17 'cantillation':3A,4A 'deben':16 'east':15 'europe':13 'hashirim':2A 'in':6C 'israel':7C,24 'loc':23 'middle':14 'shir':1A,21 'today':8C 'vol':9C 'vol3':11C 'westminster':18,19 'yemen':5B
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  9B
                                           '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-2', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['tribal', 'drums']
                                        'tag_date'  1970
                                     'discogstags'  ['alternative rock', 'shoegaze', 'no wave', 'rock']

============================== file details ==============================
                                           'mtime'  1620526509.5886943  (2021-05-09 04:15:09)
                             'size'  4529009