======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '309'
                                          'artist'  'Jean-Marc Montera'
                                     'text_people'  'Jean-Marc Montera/Robert Wyatt'
                                         'release'  'MW pour Robert Wyatt'
                                           'title'  'For R.W. (feat. Jean François Pauvros, Chris Cutler & Tony Buck)'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-OLDST-3', 'q-chart-1', 'q-drums-4', 'q-other-2', "
 "'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['experimental rock', 'free improvisation', 'gammarec', 'juma', 'texas']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '20'
                                      'tracktotal'  '22'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '135.0'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'1\x006\x00+\x009\x006\x00+\x004\x00A\x00A\x00+\x002\x002\x005\x006\x00+\x006\x006\x00F\x007\x00+\x00A\x004\x007\x000\x00+\x00D\x00D\x00A\x009\x00+\x001\x002\x00B\x002\x006\x00+\x001\x007\x008\x008\x00D\x00+\x001\x00A\x00D\x009\x000\x00+\x001\x00C\x00F\x00E\x007\x00+\x002\x001\x004\x007\x007\x00+\x002\x005\x009\x004\x003\x00+\x002\x00C\x009\x000\x00D\x00+\x003\x001\x009\x00E\x00E\x00+\x003\x005\x003\x000\x008\x00+\x003\x006\x006\x004\x004\x00+\x003\x008\x00D\x009\x00F\x00+\x003\x00A\x006\x00A\x003\x00+\x003\x00E\x00F\x008\x006\x00+\x004\x000\x00B\x00E\x008\x00+\x004\x006\x006\x008\x009\x00+\x004\x008\x00D\x00C\x006\x00+\x004\x00B\x00D\x00E\x003\x00\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: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 \x00 \x005\x008\x000\x002\x009\x009\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x005\x008\x008\x000\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x005\x003\x005\x009\x002\x005\x006\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x005\x008\x000\x002\x009\x009\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x005\x008\x008\x000\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x005\x003\x005\x009\x002\x005\x006\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:NÜÓ]\x16Ê\x15M\x84wl\x1fR÷\n\x8c'  PRIV(owner='WM/WMCollectionGroupID', data=b'N\xdc\xd3]\x16\xca\x15M\x84wl\x1fR\xf7\n\x8c')
'PRIV:WM/WMCollectionID:NÜÓ]\x16Ê\x15M\x84wl\x1fR÷\n\x8c'  PRIV(owner='WM/WMCollectionID', data=b'N\xdc\xd3]\x16\xca\x15M\x84wl\x1fR\xf7\n\x8c')
'PRIV:WM/WMContentID:FíÌDüÜT@\x87\x99=\x99\x97\x0f\x8a>'  PRIV(owner='WM/WMContentID', data=b'F\xed\xccD\xfc\xdcT@\x87\x99=\x99\x97\x0f\x8a>')
'TALB' (Album/Movie/Show title)                     'MW pour Robert Wyatt'
'TBPM' (BPM (beats per minute))                     '135.0'
'TCMP'                                              '1'
'TCOM' (Composer)                                   'Jean-Marc Montera/Robert Wyatt'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'For R.W. (feat. Jean François Pauvros, Chris Cutler & Tony Buck)'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Jean-Marc Montera'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'InPolySons'
'TRCK' (Track number/Position in set)               '20/22'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Montera, Jean-Marc'
'TXXX:CATALOGNUMBER'                                'IPS0401'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         'c9737cf6-7b4e-409e-8a19-edd631f6957d'
'TXXX:MusicBrainz Album Release Country'            'FR'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        'cd297a61-fa7c-4d2c-b222-6c301cd25c38'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['experimental rock', 'free improvisation', 'gammarec', 'juma', 'texas']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.24 dB'
'TXXX:replaygain_track_peak'                        '1.032186'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'9d27db8f-ddee-459a-915f-ca7194d033f8')

========================== row from database ==========================
                                              'id'  1379747
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Jean-Marc Montera - MW Pour Robert Wyatt (In-Poly-Sons, 2001) [128k]/20 - for r.w. (jean marc montera, jean francois pauvros, chris cutler & tony buck).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  309
                                           'genre'  electronic-unsorted
                                        'filesize'  7429170
                                           'mtime'  1642340097
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Pour (In Poly Sons, 2001) [128k] 20 for r.w. (jean marc montera, jean francois pauvros, chris cutler tony buck) electronic unsorted
                                      'tag_artist'  Jean-Marc Montera
                                     'tag_release'  MW pour Robert Wyatt
                                       'tag_title'  For R.W. (feat. Jean François Pauvros, Chris Cutler & Tony Buck)
                                             'bpm'  135.0
                                    'search_title'  'buck':15,16 'chris':12 'cutler':13 'feat':5,6 'for':1 'francois':8,9 'jean':7 'pauvros':10,11 'r':2 'rw':4 'tony':14 'w':3
                                   'search_artist'  'jean':1 'jeanmarc':3 'marc':2 'montera':4
                                  'search_release'  'mw':1 'pour':2 'robert':3 'wyatt':4
                                     'search_rest'  '128k':9,10 '20':11 '2001':7,8 'buck':27,28 'chris':24 'cutler':25 'electronic':29 'for':12 'francois':21 'in':2,3 'jean':16,17 'marc':18 'montera':19,20 'pauvros':22,23 'poly':4 'pour':1 'r':13 'rw':15 'sons':5,6 'tony':26 'unsorted':30 'w':14
                                    'search_combo'  '128k':33,34 '20':35 '2001':31,32 'buck':15A,16A,51,52 'chris':12A,48 'cutler':13A,49 'electronic':53 'feat':5A,6A 'for':1A,36 'francois':8A,9A,45 'in':26,27 'jean':7A,17B,40,41 'jeanmarc':19B 'marc':18B,42 'montera':20B,43,44 'mw':21C 'pauvros':10A,11A,46,47 'poly':28 'pour':22C,25 'r':2A,37 'robert':23C 'rw':4A,39 'sons':29,30 'tony':14A,50 'unsorted':54 'w':3A,38 'wyatt':24C
                                    'tag_tracknum'  20
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'Q-OLDST-3', 'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']
                                      'lastfmtags'  ['experimental rock', 'free improvisation', 'gammarec', 'juma', 'texas']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642340096.7699172  (2022-01-16 14:34:56)
                             'size'  7429170