======================== unified (from filesystem) ========================
                                         'bitrate'  '263.672'
                                        'duration'  '416'
                                          'artist'  'TM404'
                                     'text_people'  ''
                                         'release'  'TM404'
                                           'title'  '303/303/303/303/606'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'Q-OLDST-3', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', "
 "'q-vocals-1']")
                                      'lastfmtags'  "['acid', 'dub techno', 'dub', 'techno', 'electronic']"
                                     'discogstags'  "['techno', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '8'
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '96.1'
                                             'key'  '9B'
                                        'acoustid'  '3af72b03-e079-4055-b4e1-9b63f69b0c71'
rest: ''

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

'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 \x002\x006\x006\x001\x007\x001\x001\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x002\x007\x003\x002\x004\x009\x004\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x002\x008\x004\x008\x005\x002\x002\x003\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x002\x006\x006\x001\x007\x001\x001\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x002\x007\x003\x002\x004\x009\x004\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x002\x008\x004\x008\x005\x002\x002\x003\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x95»Ü3\x13nüE¿µ¡eyµÀ§'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x95\xbb\xdc3\x13n\xfcE\xbf\xb5\xa1ey\xb5\xc0\xa7')
'PRIV:WM/WMCollectionID:\x95»Ü3\x13nüE¿µ¡eyµÀ§'     PRIV(owner='WM/WMCollectionID', data=b'\x95\xbb\xdc3\x13n\xfcE\xbf\xb5\xa1ey\xb5\xc0\xa7')
"PRIV:WM/WMContentID:¨x3¦0nà@\x80\x19$F\x0f'Ûø"     PRIV(owner='WM/WMContentID', data=b"\xa8x3\xa60n\xe0@\x80\x19$F\x0f'\xdb\xf8")
'TALB' (Album/Movie/Show title)                     'TM404'
'TBPM' (BPM (beats per minute))                     '96.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TDOR' (Original release time)                      '2013'
'TDRC' (Recording time)                             '2013-01-30'
'TIT2' (Title/songname/content description)         '303/303/303/303/606'
'TKEY' (Initial key)                                '9B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'TM404'
'TPE2' (Band/orchestra/accompaniment)               'TM404'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Kontra-Musik'
'TRCK' (Track number/Position in set)               '2/8'
'TSO2'                                              'TM404'
'TSOP' (Performer sort order)                       'TM404'
'TXXX:Acoustid Id'                                  '3af72b03-e079-4055-b4e1-9b63f69b0c71'
'TXXX:BARCODE'                                      '7320470159828'
'TXXX:CATALOGNUMBER'                                'KMCD04'
'TXXX:MusicBrainz Album Artist Id'                  'ff6f08e3-bc46-455d-97c2-b89744f1d9f9'
'TXXX:MusicBrainz Album Id'                         '7c19c1e9-624c-44d4-af42-5cbfb80335af'
'TXXX:MusicBrainz Album Release Country'            'SE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'ff6f08e3-bc46-455d-97c2-b89744f1d9f9'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Zmth'
'TXXX:discogstags'                                  ['techno', 'electronic']
'TXXX:lastfmtags'                                   ['acid', 'dub techno', 'dub', 'techno', 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.50 dB'
'TXXX:replaygain_track_peak'                        '0.417346'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'9a46d27b-24b9-47ef-8491-0712496f783c')

========================== row from database ==========================
                                              'id'  1389765
                                            'path'  /data/Music/Bulk/00poprockelectronic/00techno-house-harder-beats/TM404/02 303_303_303_303_606.mp3
                                         'working'  None
                                         'bitrate'  263
                                    'duration_sec'  416
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  13740075
                                           'mtime'  1621085187
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00techno house harder beats 02 303_303_303_303_606 electronic th techno minimal or deephouse
                                      'tag_artist'  TM404
                                     'tag_release'  TM404
                                       'tag_title'  303/303/303/303/606
                                             'bpm'  96.1
                                    'search_title'  '303':1,2,3,4 '303303303303606':6 '606':5
                                   'search_artist'  'tm404':1
                                  'search_release'  'tm404':1
                                     'search_rest'  '00poprockelectronic':1 '00techno':2 '303':6,7,8,9 '606':10 'beats':5 'deephouse':16 'electronic':11 'harder':4 'house':3 'minimal':14 'or':15 'techno':13 'th':12
                                    'search_combo'  '00poprockelectronic':9 '00techno':10 '303':1A,2A,3A,4A,14,15,16,17 '303303303303606':6A '606':5A,18 'beats':13 'deephouse':24 'electronic':19 'harder':12 'house':11 'minimal':22 'or':23 'techno':21 'th':20 'tm404':7B,8C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['acid', 'dub techno', 'dub', 'techno', 'electronic']
                                        'tag_date'  2013
                                     'discogstags'  ['techno', 'electronic']

============================== file details ==============================
                                           'mtime'  1621085187.0909686  (2021-05-15 15:26:27)
                             'size'  13740075