======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '151'
                                          'artist'  'Ramses Shaffy'
                                     'text_people'  ''
                                         'release'  'Muziek uit de film'
                                           'title'  'De trein naar het Noorden'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-LOCALNESS-3', 'Q-PLAY-2', 'q-bass-1', 'q-drums-1', 'q-other-1', "
 "'q-piano-4', 'q-vocals-4', 'q-syn-1', 'q-busy-3', 'q-grit-2', 'q-chart-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['nederlandstalig', 'chanson', 'all', 'dutch', 'kleinkunst', 'singer "
 "songwriter']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'loc-eur-netherlands'
                                             'bpm'  '143.517'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:AverageLevel:p\n\x00\x00'                     PRIV(owner='AverageLevel', data=b'p\n\x00\x00')
'PRIV:PeakValue:X\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'X\x7f\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/Provider:U\x00s\x00e\x00r\x00 \x00F\x00e\x00e\x00d\x00b\x00a\x00c\x00k\x00\x00\x00'  PRIV(owner='WM/Provider', data=b'U\x00s\x00e\x00r\x00 \x00F\x00e\x00e\x00d\x00b\x00a\x00c\x00k\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
"PRIV:WM/WMCollectionGroupID:©ÿ1´£['F¼-ñB\x06\x92Â\x90"  PRIV(owner='WM/WMCollectionGroupID', data=b"\xa9\xff1\xb4\xa3['F\xbc-\xf1B\x06\x92\xc2\x90")
"PRIV:WM/WMCollectionID:©ÿ1´£['F¼-ñB\x06\x92Â\x90"  PRIV(owner='WM/WMCollectionID', data=b"\xa9\xff1\xb4\xa3['F\xbc-\xf1B\x06\x92\xc2\x90")
'PRIV:WM/WMContentID:vK-Zg)/@µ\x1ds<Æií\x8e'        PRIV(owner='WM/WMContentID', data=b'vK-Zg)/@\xb5\x1ds<\xc6i\xed\x8e')
'TALB' (Album/Movie/Show title)                     'Muziek uit de film'
'TBPM' (BPM (beats per minute))                     '143.517'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-netherlands'
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         'De trein naar het Noorden'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ramses Shaffy'
'TPE2' (Band/orchestra/accompaniment)               'Ramses Shaffy'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['nederlandstalig',
 'chanson',
 'all',
 'dutch',
 'kleinkunst',
 'singer songwriter']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '4'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.29 dB'
'TXXX:replaygain_track_peak'                        '0.703508'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'91437bee-7a84-49d8-94b0-c87e7920f74c')

========================== row from database ==========================
                                              'id'  1491190
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00dutch/Ramses Shaffy/12. De trein naar het Noorden.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  151
                                           'genre'  loc-eur-netherlands
                                        'filesize'  6082248
                                           'mtime'  1621629397
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00dutch 12. loc eur netherlands
                                      'tag_artist'  Ramses Shaffy
                                     'tag_release'  Muziek uit de film
                                       'tag_title'  De trein naar het Noorden
                                             'bpm'  143.517
                                    'search_title'  'de':1 'het':4 'naar':3 'noorden':5 'trein':2
                                   'search_artist'  'ramses':1 'shaffy':2
                                  'search_release'  'de':3 'film':4 'muziek':1 'uit':2
                                     'search_rest'  '00dutch':4 '00mid':1 '12':5,6 'eur':8 'europe':3 'loc':7 'netherlands':9 'north':2
                                    'search_combo'  '00dutch':15 '00mid':12 '12':16,17 'de':1A,10C 'eur':19 'europe':14 'film':11C 'het':4A 'loc':18 'muziek':8C 'naar':3A 'netherlands':20 'noorden':5A 'north':13 'ramses':6B 'shaffy':7B 'trein':2A 'uit':9C
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-4', 'q-mixbeat-1', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['nederlandstalig', 'chanson', 'all', 'dutch', 'kleinkunst', 'singer songwriter']
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629397.2919881  (2021-05-21 22:36:37)
                             'size'  6082248