======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '306'
                                          'artist'  'Majandra'
                                     'text_people'  ''
                                         'release'  'The Sicks'
                                           'title'  'Ski-ming'
                                           'quals'  "['q-bass-4', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-3']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'Rock/Pop'
                                             'bpm'  '140.0'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.OTHER (Other) b''
                                     
'POPM:'                                             POPM(email='', rating=204)
'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/WMCollectionGroupID:ªO:\x89\x91CôO\x90\x89h\x14\x88k½ö'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xaaO:\x89\x91C\xf4O\x90\x89h\x14\x88k\xbd\xf6')
'PRIV:WM/WMCollectionID:ªO:\x89\x91CôO\x90\x89h\x14\x88k½ö'  PRIV(owner='WM/WMCollectionID', data=b'\xaaO:\x89\x91C\xf4O\x90\x89h\x14\x88k\xbd\xf6')
'PRIV:WM/WMContentID:fl\x94fÕUÐB¡\x9coI#Z}÷'        PRIV(owner='WM/WMContentID', data=b'fl\x94f\xd5U\xd0B\xa1\x9coI#Z}\xf7')
'TALB' (Album/Movie/Show title)                     'The Sicks'
'TBPM' (BPM (beats per minute))                     '140.0'
'TCON' (Content type, a.k.a. Genre)                 'Rock/Pop'
'TIT2' (Title/songname/content description)         'Ski-ming'
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '306468'
'TPE1' (Lead performer(s)/Soloist(s))               'Majandra Delfino'
'TPE2' (Band/orchestra/accompaniment)               'Majandra'
'TRCK' (Track number/Position in set)               '1'
'TXXX:MusicBrainz Album Id'                         'ad67644d-d274-4d36-bda9-8e05b3ad9a72'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'e8c76e17-0c43-4272-855c-80806b02446f'
'TXXX:MusicBrainz TRM Id'                           '1fe26624-d1aa-4bed-a265-a3af7e846bcc'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'7f51eb88-7337-4eb1-a553-bd66ccd9783b')

========================== row from database ==========================
                                              'id'  1538530
                                            'path'  /data/Music/Other/PrevSet/[6calmer]/Majandra Delfino - Ski-ming.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  306
                                           'genre'  Rock/Pop
                                        'filesize'  4907182
                                           'mtime'  1662800438
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [6calmer] Delfino Rock/Pop
                                      'tag_artist'  Majandra
                                     'tag_release'  The Sicks
                                       'tag_title'  Ski-ming
                                             'bpm'  140.0
                                    'search_title'  'ming':2 'ski':1 'skiming':3
                                   'search_artist'  'majandra':1
                                  'search_release'  'sicks':2 'the':1
                                     'search_rest'  '6calmer':2,3 'delfino':4 'pop':6 'prev':8 'prevset':1 'rock':5 'rockpop':7 'set':9
                                    'search_combo'  '6calmer':8,9 'delfino':10 'majandra':4B 'ming':2A 'pop':12 'prev':14 'prevset':7 'rock':11 'rockpop':13 'set':15 'sicks':6C 'ski':1A 'skiming':3A 'the':5C
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['q-bass-4', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-3']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1662800437.6604855  (2022-09-10 11:00:37)
                             'size'  4907182