======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '59'
                                          'artist'  'Prefuse 73'
                                     'text_people'  ''
                                         'release'  'Security Screenings'
                                           'title'  'Awakening To A.....'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'trip hop', 'idm', 'electronic', 'hip hop']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '17'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '144.4'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00000274 0000013E 0000376F 00001251 0000AA34 00007834 000064AA 00004B3A '
 '00009100 0000AA82')
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000008A0 00000000002828D0 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '17+E23254F7CBF141725607EE97749741B7+6625069'
'TALB' (Album/Movie/Show title)                     'Security Screenings'
'TBPM' (BPM (beats per minute))                     '144.4'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2005'
'TENC' (Encoded by)                                 'iTunes v6.0.1.3'
'TIT2' (Title/songname/content description)         'Awakening To A.....'
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'Prefuse 73'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '10/17'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'trip hop', 'idm', 'electronic', 'hip hop']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.45 dB'
'TXXX:replaygain_track_peak'                        '0.561685'

========================== row from database ==========================
                                              'id'  1269770
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Prefuse 73/Security Screenings/10 awakening to a......mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  59
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  1435857
                                           'mtime'  1620592399
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism 10 awakening to a..... hip hop or rnb or rap or turntablism
                                      'tag_artist'  Prefuse 73
                                     'tag_release'  Security Screenings
                                       'tag_title'  Awakening To A.....
                                             'bpm'  144.4
                                    'search_title'  'a':3,4 'awakening':1 'to':2
                                   'search_artist'  '73':2 'prefuse':1
                                  'search_release'  'screenings':2 'security':1
                                     'search_rest'  'a':7,8 'awakening':5 'hip':9 'hiphop':1 'hop':10 'or':11 'rap':2 'rnb':3 'to':6 'turntablism':4
                                    'search_combo'  '73':6B 'a':3A,4A,15,16 'awakening':1A,13 'hip':17 'hiphop':9 'hop':18 'or':19 'prefuse':5B 'rap':10 'rnb':11 'screenings':8C 'security':7C 'to':2A,14 'turntablism':12
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'trip hop', 'idm', 'electronic', 'hip hop']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620592398.7022161  (2021-05-09 22:33:18)
                             'size'  1435857