======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '345'
                                          'artist'  'Rufus Wainwright'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  ''
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'alternative', 'canadian', 'folk', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '12'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '139.658'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00000889 00000899 00005AA4 00004E59 00048453 0004CB58 00008275 000084C2 '
 '0004791A 0004BAEB')
'COMM:iTunes_CDDB_IDs:eng'                          '12+0055F63A1555054DAA50131354747D7C+4701610'
'PRIV:AverageLevel:\r\x13\x00\x00'                  PRIV(owner='AverageLevel', data=b'\r\x13\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'TBPM' (BPM (beats per minute))                     '139.658'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '2004'
'TENC' (Encoded by)                                 'iTunes v4.6.0.15'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Rufus Wainwright'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '1/12'
'TXXX:ALBUM'                                        'Want Two'
'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:TITLE'                                        'Agnus Dei'
'TXXX:lastfmtags'                                   ['indie', 'alternative', 'canadian', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.63 dB'
'TXXX:replaygain_track_peak'                        '0.438670'

========================== row from database ==========================
                                              'id'  1293704
                                            'path'  /data/Music/Bulk/00poprockelectronic/Rufus Wainwright_/Want Two/01 Agnus Dei.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  345
                                           'genre'  ifs-songwriter
                                        'filesize'  8301820
                                           'mtime'  1637330755
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Wainwright_ Want Two 01 Agnus Dei ifs songwriter
                                      'tag_artist'  Rufus Wainwright
                                     'tag_release'  None
                                       'tag_title'  None
                                             'bpm'  139.658
                                    'search_title'  None
                                   'search_artist'  'rufus':1 'wainwright':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'agnus':5 'dei':6 'ifs':7 'songwriter':8 'two':4 'wainwright':2 'want':3
                                    'search_combo'  '00poprockelectronic':3 'agnus':7 'dei':8 'ifs':9 'rufus':1B 'songwriter':10 'two':6 'wainwright':2B,4 'want':5
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-piano-1', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'canadian', 'folk', 'singer songwriter']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637330755.1785343  (2021-11-19 15:05:55)
                             'size'  8301820