======================== unified (from filesystem) ========================
                                         'bitrate'  '218.907'
                                        'duration'  '293'
                                          'artist'  'De Amsterdam Klezmer Band'
                                     'text_people'  'S. Akkermans/T. Elbers'
                                         'release'  'Remixed!'
                                           'title'  'Ludacris (produced by C-Mon and Kypski)'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['gypsy', 'balkan', 'nederlands', 'world', 'klezmer']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'loc-unsorted;loc-eur-netherlands'
                                             'bpm'  '142.608'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
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'PRIV:WM/WMCollectionID:ªf\x98q\x93%\x96C«ºª\x1e£,ÀP'  PRIV(owner='WM/WMCollectionID', data=b'\xaaf\x98q\x93%\x96C\xab\xba\xaa\x1e\xa3,\xc0P')
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'TALB' (Album/Movie/Show title)                     'Remixed!'
'TBPM' (BPM (beats per minute))                     '142.608'
'TCOM' (Composer)                                   'S. Akkermans/T. Elbers'
'TCON' (Content type, a.k.a. Genre)                 ['loc-unsorted', 'loc-eur-netherlands']
'TDRC' (Recording time)                             '2006'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Burst mode)'
'TIT2' (Title/songname/content description)         'Ludacris (produced by C-Mon and Kypski)'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Amsterdam Klezmer Band'
'TPE2' (Band/orchestra/accompaniment)               'De Amsterdam Klezmer Band'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Essay Recordings'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['gypsy', 'balkan', 'nederlands', 'world', 'klezmer']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.12 dB'
'TXXX:replaygain_track_peak'                        '0.433671'

========================== row from database ==========================
                                              'id'  314464
                                            'path'  /data/Music/Bulk/00localcharacter/De Amsterdam Klezmer Band/Remixed!/05 Ludacris (produced by C-Mon and Kypski).mp3
                                         'working'  None
                                         'bitrate'  218
                                    'duration_sec'  293
                                           'genre'  loc-unsorted;loc-eur-netherlands
                                        'filesize'  8222225
                                           'mtime'  1621629693
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 05 loc unsorted;loc eur netherlands
                                      'tag_artist'  De Amsterdam Klezmer Band
                                     'tag_release'  Remixed!
                                       'tag_title'  Ludacris (produced by C-Mon and Kypski)
                                             'bpm'  142.608
                                    'search_title'  'and':8 'by':4 'c':5 'cmon':7 'kypski':9,10 'ludacris':1 'mon':6 'produced':2,3
                                   'search_artist'  'amsterdam':2 'band':4 'de':1 'klezmer':3
                                  'search_release'  'remixed':1
                                     'search_rest'  'eur':6 'loc':1,3,5 'netherlands':7 'unsorted':2,4
                                    'search_combo'  'amsterdam':12B 'and':8A 'band':14B 'by':4A 'c':5A 'cmon':7A 'de':11B 'eur':21 'klezmer':13B 'kypski':9A,10A 'loc':16,18,20 'ludacris':1A 'mon':6A 'netherlands':22 'produced':2A,3A 'remixed':15C 'unsorted':17,19
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['gypsy', 'balkan', 'nederlands', 'world', 'klezmer']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629693.450393  (2021-05-21 22:41:33)
                             'size'  8222225