======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '213'
                                          'artist'  'The Tallest Man on Earth'
                                     'text_people'  ''
                                         'release'  'The Wild Hunt'
                                           'title'  'Burden of Tomorrow'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['swedish', 'acoustic', 'blues', 'folk', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '10'
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter;ifs-songwriter-folk'
                                             'bpm'  '107.095'
                                             'key'  '2B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         ['0',
 ' 00000C28 00000BD6 00007366 00008AAD 000211CB 0000F92F 00007F55 00006E8B '
 '0002991A 00026078',
 ' 00000000 00000210 00000B58 00000000008FDC18 00000000 008267AD 00000000 '
 '00000000 00000000 00000000 00000000 00000000']
'COMM:ID3v1 Comment:XXX'                            '0'
'TALB' (Album/Movie/Show title)                     'The Wild Hunt'
'TBPM' (BPM (beats per minute))                     '107.095'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter', 'ifs-songwriter-folk']
'TDRC' (Recording time)                             '2010'
'TENC' (Encoded by)                                 'iTunes 9.0.2'
'TIT2' (Title/songname/content description)         'Burden of Tomorrow'
'TKEY' (Initial key)                                '2B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Tallest Man on Earth'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '2/10'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['swedish', 'acoustic', 'blues', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.03 dB'
'TXXX:replaygain_track_peak'                        '0.418647'

========================== row from database ==========================
                                              'id'  1264214
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/The Tallest Man On Earth/The Wild Hunt/02 Burden of Tomorrow.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  213
                                           'genre'  ifs-songwriter;ifs-songwriter-folk
                                        'filesize'  9782502
                                           'mtime'  1637330504
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos On 02 ifs songwriter;ifs songwriter folk
                                      'tag_artist'  The Tallest Man on Earth
                                     'tag_release'  The Wild Hunt
                                       'tag_title'  Burden of Tomorrow
                                             'bpm'  107.095
                                    'search_title'  'burden':1 'of':2 'tomorrow':3
                                   'search_artist'  'earth':5 'man':3 'on':4 'tallest':2 'the':1
                                  'search_release'  'hunt':3 'the':1 'wild':2
                                     'search_rest'  '00singer':1 'eos':3 'folk':10 'ifs':5,7,9 'on':4 'songwriter':2,6,8
                                    'search_combo'  '00singer':12 'burden':1A 'earth':8B 'eos':14 'folk':21 'hunt':11C 'ifs':16,18,20 'man':6B 'of':2A 'on':7B,15 'songwriter':13,17,19 'tallest':5B 'the':4B,9C 'tomorrow':3A 'wild':10C
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  2B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['swedish', 'acoustic', 'blues', 'folk', 'singer songwriter']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637330504.2228286  (2021-11-19 15:01:44)
                             'size'  9782502