======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '193'
                                          'artist'  'Stef Bos'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Papa'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-3', 'Q-PLAY-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-2', 'q-vocals-3', 'q-mixbeat-2', "
 "'Q-PIANO-2']")
                                      'lastfmtags'  "['nederlandstalig', 'pop', 'dutch', 'kleinkunst', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '18'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'loc-eur-netherlands'
                                             'bpm'  '111'
                                             'key'  '7B'
                                        'acoustid'  'bf86d02a-ad7c-4106-8226-0a1218a3eefd'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TBPM' (BPM (beats per minute))                     '111'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-netherlands'
'TDOR' (Original release time)                      '2008'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Papa'
'TKEY' (Initial key)                                '7B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Stef Bos'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '2/10'
'TPUB' (Publisher)                                  'USM'
'TRCK' (Track number/Position in set)               '10/18'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Bos, Stef'
'TXXX:Acoustid Id'                                  'bf86d02a-ad7c-4106-8226-0a1218a3eefd'
'TXXX:Artists'                                      'Stef Bos'
'TXXX:BARCODE'                                      '0600753129623'
'TXXX:CATALOGNUMBER'                                ('531 296-3/531 296-4/531 296-5/531 296-6/531 296-7/531 296-8/531 296-9/531 '
 '297-0/531 297-1/531 297-2')
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['nederlandstalig', 'pop', 'dutch', 'kleinkunst', 'singer songwriter']
'TXXX:originalyear'                                 '2008'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.17 dB'
'TXXX:replaygain_track_peak'                        '0.537953'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'58961765-6d74-4654-b6c8-1962888efa8d')

========================== row from database ==========================
                                              'id'  1308666
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Stef Bos - 09 - Papa.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  193
                                           'genre'  loc-eur-netherlands
                                        'filesize'  3991995
                                           'mtime'  1621630232
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 09 loc eur netherlands
                                      'tag_artist'  Stef Bos
                                     'tag_release'  None
                                       'tag_title'  Papa
                                             'bpm'  111.0
                                    'search_title'  'papa':1
                                   'search_artist'  'bos':2 'stef':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'eur':8 'files':5,6 'loc':7 'loose':3,4 'netherlands':9 'unsorted':2
                                    'search_combo'  '00poprockelectronic':4 'bos':3B 'eur':11 'files':8,9 'loc':10 'loose':6,7 'netherlands':12 'papa':1A 'stef':2B 'unsorted':5
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-mixbeat-2', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['nederlandstalig', 'pop', 'dutch', 'kleinkunst', 'singer songwriter']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621630232.4016209  (2021-05-21 22:50:32)
                             'size'  3991995