======================== unified (from filesystem) ========================
                                         'bitrate'  '206.757'
                                        'duration'  '172'
                                          'artist'  'Ken Nordine'
                                     'text_people'  ''
                                         'release'  'Shirley & Spinoza'
                                           'title'  'The Bullfighter'
                                           'quals'  ("['Q-HAP-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-3', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['cool', 'jazz', 'spoken word', 'word jazz', 'poetry']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '12'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-soft-word'
                                             'bpm'  '123.256'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Shirley & Spinoza'
'TBPM' (BPM (beats per minute))                     '123.256'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-soft-word'
'TCOP' (Copyright message)                          '℗ 2009 Hallmark'
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'The Bullfighter'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ken Nordine'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '11/12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:iTunMOVI'                                     ('<?xml version="1.0" encoding="UTF-8"?>\n'
 '<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" '
 '"http://www.apple.com/DTDs/PropertyList-1.0.dtd">\n'
 '<plist version="1.0">\n'
 '<dict>\n'
 '\t<key>asset-info</key>\n'
 '\t<dict>\n'
 '\t\t<key>file-size</key>\n'
 '\t\t<integer>6247806</integer>\n'
 '\t\t<key>flavor</key>\n'
 '\t\t<string>2:256</string>\n'
 '\t</dict>\n'
 '</dict>\n'
 '</plist>\n')
'TXXX:lastfmtags'                                   ['cool', 'jazz', 'spoken word', 'word jazz', 'poetry']
'TXXX:purchaseaccount'                              'luc@gut.li'
'TXXX:purchasedate'                                 '2010-10-07 17:27:29'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.06 dB'
'TXXX:replaygain_track_peak'                        '0.552509'

========================== row from database ==========================
                                              'id'  1107532
                                            'path'  /data/Music/Bulk/sns/Ken Nordine - The Bullfighter.mp3
                                         'working'  None
                                         'bitrate'  206
                                    'duration_sec'  172
                                           'genre'  prerock-jb-jazz-soft-word
                                        'filesize'  4485106
                                           'mtime'  1620541826
                                   'redo_metaread'  0
                                        'rest_str'   sns prerock jb jazz soft word
                                      'tag_artist'  Ken Nordine
                                     'tag_release'  Shirley & Spinoza
                                       'tag_title'  The Bullfighter
                                             'bpm'  123.256
                                    'search_title'  'bullfighter':2 'the':1
                                   'search_artist'  'ken':1 'nordine':2
                                  'search_release'  'shirley':1 'spinoza':2
                                     'search_rest'  'jazz':4 'jb':3 'prerock':2 'sns':1 'soft':5 'word':6
                                    'search_combo'  'bullfighter':2A 'jazz':10 'jb':9 'ken':3B 'nordine':4B 'prerock':8 'shirley':5C 'sns':7 'soft':11 'spinoza':6C 'the':1A 'word':12
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['cool', 'jazz', 'spoken word', 'word jazz', 'poetry']
                                        'tag_date'  2009
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620541826.2623773  (2021-05-09 08:30:26)
                             'size'  4485106