======================== unified (from filesystem) ========================
                                         'bitrate'  '124.789'
                                        'duration'  '155'
                                          'artist'  'Les Cinq Phres'
                                     'text_people'  'Wolfgang Amadeus Mozart'
                                         'release'  'Shirley & Spinoza'
                                           'title'  'La marche turque'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '10'
                                            'date'  '1955'
                                        'comments'  ''
                                           'genre'  'set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '144.748'
                                             'key'  '5A'
                                        '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))                     '144.748'
'TCOM' (Composer)                                   'Wolfgang Amadeus Mozart'
'TCON' (Content type, a.k.a. Genre)                 ['set-pl-shirleyspinoza', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TCOP' (Copyright message)                          '℗ 1955 - BNF Collection 2014'
'TDRC' (Recording time)                             '1955'
'TIT2' (Title/songname/content description)         'La marche turque'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Les Cinq Phres'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '6/10'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'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>5671468</integer>\n'
 '\t\t<key>flavor</key>\n'
 '\t\t<string>2:256</string>\n'
 '\t</dict>\n'
 '</dict>\n'
 '</plist>\n')
'TXXX:purchaseaccount'                              'luc@gut.li'
'TXXX:purchasedate'                                 '2016-07-13 19:53:28'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'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'                        '+2.09 dB'
'TXXX:replaygain_track_peak'                        '0.699479'

========================== row from database ==========================
                                              'id'  1107564
                                            'path'  /data/Music/Bulk/sns/Les Cinq Pères - La marche turque.mp3
                                         'working'  None
                                         'bitrate'  125
                                    'duration_sec'  155
                                           'genre'  set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  2618597
                                           'mtime'  1642095607
                                   'redo_metaread'  0
                                        'rest_str'   sns Pères set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Les Cinq Phres
                                     'tag_release'  Shirley & Spinoza
                                       'tag_title'  La marche turque
                                             'bpm'  144.748
                                    'search_title'  'la':1 'marche':2 'turque':3
                                   'search_artist'  'cinq':2 'les':1 'phres':3
                                  'search_release'  'shirley':1 'spinoza':2
                                     'search_rest'  'mor':10 'peres':2,3 'pl':5 'set':4,7,9 'shirleyspinoza':6,8 'sns':1
                                    'search_combo'  'cinq':5B 'la':1A 'les':4B 'marche':2A 'mor':18 'peres':10,11 'phres':6B 'pl':13 'set':12,15,17 'shirley':7C 'shirleyspinoza':14,16 'sns':9 'spinoza':8C 'turque':3A
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  []
                                        'tag_date'  1955
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642095607.4950075  (2022-01-13 18:40:07)
                             'size'  2618597