======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '29'
                                          'artist'  'Prefuse 73'
                                     'text_people'  ''
                                         'release'  'Security Screenings'
                                           'title'  'Illiterate Interlude'
                                           '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-2', 'q-other-1', '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'  '3'
                                      'tracktotal'  '17'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '85.2'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 000009FB 00000A9B 000070F3 00006072 00000AD0 00001C5E 00007E84 00006762 '
 '000006F0 00000653')
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000AD4 0000000000137F1C 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))                     '85.2'
'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)         'Illiterate Interlude'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Prefuse 73'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '3/17'
'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'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.68 dB'
'TXXX:replaygain_track_peak'                        '0.415663'

========================== row from database ==========================
                                              'id'  1272669
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Prefuse 73/Security Screenings/03 illiterate interlude.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  29
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  699370
                                           'mtime'  1620592398
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism 03 illiterate interlude hip hop or rnb or rap or turntablism
                                      'tag_artist'  Prefuse 73
                                     'tag_release'  Security Screenings
                                       'tag_title'  Illiterate Interlude
                                             'bpm'  85.2
                                    'search_title'  'illiterate':1 'interlude':2
                                   'search_artist'  '73':2 'prefuse':1
                                  'search_release'  'screenings':2 'security':1
                                     'search_rest'  'hip':7 'hiphop':1 'hop':8 'illiterate':5 'interlude':6 'or':9 'rap':2 'rnb':3 'turntablism':4
                                    'search_combo'  '73':4B 'hip':13 'hiphop':7 'hop':14 'illiterate':1A,11 'interlude':2A,12 'or':15 'prefuse':3B 'rap':8 'rnb':9 'screenings':6C 'security':5C 'turntablism':10
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  12A
                                           '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-2', 'q-syn-3', 'q-chart-3', 'q-other-1', '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'  1620592398.262955  (2021-05-09 22:33:18)
                             'size'  699370