======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '207'
                                          'artist'  'Prefuse 73'
                                     'text_people'  ''
                                         'release'  'Security Screenings'
                                           'title'  'Creating Cyclical Headaches (With Four Tet)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'trip hop', 'idm', 'electronic', 'hip hop']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '17'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '104.2'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

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'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000A38 00000000008BC4B8 00000000 00000000 00000000 '
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'COMM:iTunes_CDDB_IDs:eng'                          '17+E23254F7CBF141725607EE97749741B7+6625069'
'TALB' (Album/Movie/Show title)                     'Security Screenings'
'TBPM' (BPM (beats per minute))                     '104.2'
'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)         'Creating Cyclical Headaches (With Four Tet)'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Prefuse 73'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '9/17'
'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'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.49 dB'
'TXXX:replaygain_track_peak'                        '0.389458'

========================== row from database ==========================
                                              'id'  1246593
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Prefuse 73/Security Screenings/09 creating cyclical headaches (with.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  207
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  4988719
                                           'mtime'  1620592399
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism 09 creating cyclical headaches (with hip hop or rnb or rap or turntablism
                                      'tag_artist'  Prefuse 73
                                     'tag_release'  Security Screenings
                                       'tag_title'  Creating Cyclical Headaches (With Four Tet)
                                             'bpm'  104.2
                                    'search_title'  'creating':1 'cyclical':2 'four':6 'headaches':3 'tet':7,8 'with':4,5
                                   'search_artist'  '73':2 'prefuse':1
                                  'search_release'  'screenings':2 'security':1
                                     'search_rest'  'creating':5 'cyclical':6 'headaches':7 'hip':10 'hiphop':1 'hop':11 'or':12 'rap':2 'rnb':3 'turntablism':4 'with':8,9
                                    'search_combo'  '73':10B 'creating':1A,17 'cyclical':2A,18 'four':6A 'headaches':3A,19 'hip':22 'hiphop':13 'hop':23 'or':24 'prefuse':9B 'rap':14 'rnb':15 'screenings':12C 'security':11C 'tet':7A,8A 'turntablism':16 'with':4A,5A,20,21
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-1', '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-4', 'q-syn-3', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'trip hop', 'idm', 'electronic', 'hip hop']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620592398.665916  (2021-05-09 22:33:18)
                             'size'  4988719