======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '231'
                                          'artist'  'Goran Bregović'
                                     'text_people'  ''
                                         'release'  'Silence of the Balkans'
                                           'title'  'Babylon'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'gypsy', 'balkan', 'folk', 'ethnic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '09'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'loc-m;set-pl-sced;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '129.150'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '-'
'COMM:MusicMatch_Mood:eng'                          '-'
'PCNT' (Play counter)                               PCNT(count=0)
'TALB' (Album/Movie/Show title)                     'Silence of the Balkans'
'TBPM' (BPM (beats per minute))                     '129.150'
'TCON' (Content type, a.k.a. Genre)                 ['loc-m', 'set-pl-sced', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Babylon'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '231000'
'TPE1' (Lead performer(s)/Soloist(s))               'Goran Bregović'
'TPE2' (Band/orchestra/accompaniment)               'Goran Bregović'
'TRCK' (Track number/Position in set)               '09'
'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'                                   ['soundtrack', 'gypsy', 'balkan', 'folk', 'ethnic']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.77 dB'
'TXXX:replaygain_track_peak'                        '0.470544'

========================== row from database ==========================
                                              'id'  362678
                                            'path'  /data/Music/Bulk/00localcharacter/Goran Bregović/[2000] Silence of the Balkans/09 Babylon.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  231
                                           'genre'  loc-m;set-pl-sced;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  3715100
                                           'mtime'  1620526929
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter [2000] 09 loc m;set pl sced;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Goran Bregović
                                     'tag_release'  Silence of the Balkans
                                       'tag_title'  Babylon
                                             'bpm'  129.15
                                    'search_title'  'babylon':1
                                   'search_artist'  'bregovic':2,3 'goran':1
                                  'search_release'  'balkans':4 'of':2 'silence':1 'the':3
                                     'search_rest'  '2000':1,2 'loc':3 'm':4,6 'mor':17 'pl':8 'sced':9,11 'set':5,7,10,12,14,16 'shirleyspinoza':13,15
                                    'search_combo'  '2000':9,10 'babylon':1A 'balkans':8C 'bregovic':3B,4B 'goran':2B 'loc':11 'm':12,14 'mor':25 'of':6C 'pl':16 'sced':17,19 'set':13,15,18,20,22,24 'shirleyspinoza':21,23 'silence':5C 'the':7C
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-4', 'q-syn-1', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'gypsy', 'balkan', 'folk', 'ethnic']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620526929.3652773  (2021-05-09 04:22:09)
                             'size'  3715100