======================== unified (from filesystem) ========================
                                         'bitrate'  '208.697'
                                        'duration'  '301'
                                          'artist'  'Plaid'
                                     'text_people'  ''
                                         'release'  'Double Figure'
                                           'title'  'Sincetta'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-2', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'instrumental hip hop', 'idm', 'electronic']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '114.221'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 000002F6 00000415 000012AB'
'COMM:iTunNORM:eng'                                 (' 000002F6 00000415 000012AB 00001A20 0001ABE8 00030466 0000799A 00007B46 '
 '00028D9C 0003578D')
'TALB' (Album/Movie/Show title)                     'Double Figure'
'TBPM' (BPM (beats per minute))                     '114.221'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '2001'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         'Sincetta'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Plaid'
'TRCK' (Track number/Position in set)               '13'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'instrumental hip hop', 'idm', 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.88 dB'
'TXXX:replaygain_track_peak'                        '0.731411'

========================== row from database ==========================
                                              'id'  1341304
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/Plaid/Double Figure/13 Sincetta.mp3
                                         'working'  None
                                         'bitrate'  208
                                    'duration_sec'  301
                                           'genre'  electronic
                                        'filesize'  7856578
                                           'mtime'  1636913268
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer 13 electronic
                                      'tag_artist'  Plaid
                                     'tag_release'  Double Figure
                                       'tag_title'  Sincetta
                                             'bpm'  114.221
                                    'search_title'  'sincetta':1
                                   'search_artist'  'plaid':1
                                  'search_release'  'double':1 'figure':2
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 'electronic':3
                                    'search_combo'  '00calmer':6 '00poprockelectronic':5 'double':3C 'electronic':7 'figure':4C 'plaid':2B 'sincetta':1A
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'instrumental hip hop', 'idm', 'electronic']
                                        'tag_date'  2001
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636913267.9132128  (2021-11-14 19:07:47)
                             'size'  7856578