======================== unified (from filesystem) ========================
                                         'bitrate'  '213.642'
                                        'duration'  '343'
                                          'artist'  'Kelpe'
                                     'text_people'  ''
                                         'release'  'Ex-Aquarium'
                                           'title'  'Shipwreck Glue'
                                           'quals'  "['q-bass-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '14'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'im-calmer'
                                             'bpm'  '101.7'
                                             'key'  '9A'
                                        'acoustid'  'ca8f135d-2e2c-4328-ba04-cf05b5f151c9'
rest: ''

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

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'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:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x001\x003\x001\x000\x005\x006\x009\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x006\x008\x000\x004\x006\x008\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x001\x003\x009\x003\x008\x000\x003\x009\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x001\x003\x001\x000\x005\x006\x009\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x006\x008\x000\x004\x006\x008\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x001\x003\x009\x003\x008\x000\x003\x009\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:VI\x1c\x03º&¿L\x8cõ¯\x11{A\x90Ï'  PRIV(owner='WM/WMCollectionGroupID', data=b'VI\x1c\x03\xba&\xbfL\x8c\xf5\xaf\x11{A\x90\xcf')
'PRIV:WM/WMCollectionID:VI\x1c\x03º&¿L\x8cõ¯\x11{A\x90Ï'  PRIV(owner='WM/WMCollectionID', data=b'VI\x1c\x03\xba&\xbfL\x8c\xf5\xaf\x11{A\x90\xcf')
'PRIV:WM/WMContentID:Ò\x80Î\x05eU#H\x96¯ÈÄÊ)\x9eâ'  PRIV(owner='WM/WMContentID', data=b'\xd2\x80\xce\x05eU#H\x96\xaf\xc8\xc4\xca)\x9e\xe2')
'TALB' (Album/Movie/Show title)                     'Ex-Aquarium'
'TBPM' (BPM (beats per minute))                     '101.7'
'TCON' (Content type, a.k.a. Genre)                 'im-calmer'
'TDOR' (Original release time)                      '2008'
'TDRC' (Recording time)                             '2008-02-25'
'TIT2' (Title/songname/content description)         'Shipwreck Glue'
'TKEY' (Initial key)                                '9A'
'TLAN' (Language(s))                                'eng'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Kelpe'
'TPE2' (Band/orchestra/accompaniment)               'Kelpe'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'D.C. Recordings'
'TRCK' (Track number/Position in set)               '3/14'
'TSO2'                                              'Kelpe'
'TSOP' (Performer sort order)                       'Kelpe'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME v3.97 -V2 --vbr-new'
'TXXX:ASIN'                                         'B00114LFAI'
'TXXX:Acoustid Id'                                  'ca8f135d-2e2c-4328-ba04-cf05b5f151c9'
'TXXX:CATALOGNUMBER'                                'DC 82 CD'
'TXXX:MusicBrainz Album Artist Id'                  '270ff0d9-7243-4411-bce5-eeafbefb1b65'
'TXXX:MusicBrainz Album Id'                         '95d70437-3d24-4d00-9de1-ad20bc0e13a2'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '270ff0d9-7243-4411-bce5-eeafbefb1b65'
'TXXX:MusicBrainz Release Group Id'                 '0a606691-fea6-32ac-9a1b-ddb21154c264'
'TXXX:Release type'                                 'Advance'
'TXXX:Rip date'                                     '2008-01-19'
'TXXX:Ripping tool'                                 'EAC'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:Source'                                       'CD (LP)'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.05 dB'
'TXXX:replaygain_track_peak'                        '0.617769'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'b338494c-ad7d-494b-93e3-bbf71aef8d77')
'WXXX:'                                             WXXX(encoding=<Encoding.UTF16: 1>, desc='', url='http://www.kelpe.co.uk/')

========================== row from database ==========================
                                              'id'  1537186
                                            'path'  /data/Music/Other/F3/Kelpe/03. Shipwreck Glue.mp3
                                         'working'  None
                                         'bitrate'  214
                                    'duration_sec'  343
                                           'genre'  im-calmer
                                        'filesize'  9188661
                                           'mtime'  1662800173
                                   'redo_metaread'  0
                                        'rest_str'   F3 03. im calmer
                                      'tag_artist'  Kelpe
                                     'tag_release'  Ex-Aquarium
                                       'tag_title'  Shipwreck Glue
                                             'bpm'  101.7
                                    'search_title'  'glue':2 'shipwreck':1
                                   'search_artist'  'kelpe':1
                                  'search_release'  'aquarium':2 'ex':1 'exaquarium':3
                                     'search_rest'  '03':2,3 'calmer':5 'f3':1 'im':4
                                    'search_combo'  '03':8,9 'aquarium':5C 'calmer':11 'ex':4C 'exaquarium':6C 'f3':7 'glue':2A 'im':10 'kelpe':3B 'shipwreck':1A
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['q-bass-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1']
                                      'lastfmtags'  []
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1662800173.1930237  (2022-09-10 10:56:13)
                             'size'  9188661