======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '310'
                                          'artist'  'Goran Bregović'
                                     'text_people'  'Goran Bregović'
                                         'release'  'Underground'
                                           'title'  'Underground Tango'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'gypsy', 'balkan', 'folk', 'ethnic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '11'
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '143'
                                             'key'  '4A'
                                        'acoustid'  '75cce907-6a8b-4265-8271-145147987bc4'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'MCDI' (Music CD identifier)                        MCDI(data=b'B\x00+\x009\x006\x00+\x003\x00B\x009\x00E\x00+\x007\x00E\x008\x006\x00+\x00C\x004\x00A\x009\x00+\x00F\x000\x00A\x007\x00+\x001\x003\x006\x003\x004\x00+\x001\x007\x004\x00D\x00C\x00+\x001\x00E\x009\x002\x001\x00+\x002\x003\x006\x00A\x001\x00+\x002\x009\x001\x00D\x005\x00+\x002\x00F\x007\x00E\x00C\x00+\x003\x000\x00F\x00C\x00C\x00\x00\x00')
'PRIV:AverageLevel:\x05\x11\x00\x00'                PRIV(owner='AverageLevel', data=b'\x05\x11\x00\x00')
'PRIV:PeakValue:\x97n\x00\x00'                      PRIV(owner='PeakValue', data=b'\x97n\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 \x004\x007\x008\x009\x004\x001\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00M\x00S\x00T\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x003\x006\x006\x002\x005\x001\x004\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x004\x007\x008\x009\x004\x001\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00M\x00S\x00T\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x003\x006\x006\x002\x005\x001\x004\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x17Í\x14§\x8bþûF®{Í\x9aª\x9dc\x87'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x17\xcd\x14\xa7\x8b\xfe\xfbF\xae{\xcd\x9a\xaa\x9dc\x87')
'PRIV:WM/WMCollectionID:\x17Í\x14§\x8bþûF®{Í\x9aª\x9dc\x87'  PRIV(owner='WM/WMCollectionID', data=b'\x17\xcd\x14\xa7\x8b\xfe\xfbF\xae{\xcd\x9a\xaa\x9dc\x87')
'PRIV:WM/WMContentID:\x13Ý«Væ\x9eÅG\x96\\Y¾ip²¸'    PRIV(owner='WM/WMContentID', data=b'\x13\xdd\xabV\xe6\x9e\xc5G\x96\\Y\xbeip\xb2\xb8')
'TALB' (Album/Movie/Show title)                     'Underground'
'TBPM' (BPM (beats per minute))                     '143'
'TCOM' (Composer)                                   'Goran Bregović'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDOR' (Original release time)                      '1995'
'TDRC' (Recording time)                             '1995'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['engineer', 'Stéphane Caisson'], ['engineer', 'Zoran Janković'], ['engineer', 'Vlada Negovanović'], ['engineer', 'George Shilling'], ['engineer', 'Dragan Vukićević']])
'TIT2' (Title/songname/content description)         'Underground Tango'
'TKEY' (Initial key)                                '4A'
'TLEN' (Length)                                     '311306'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Goran Bregović'
'TPE2' (Band/orchestra/accompaniment)               'Goran Bregović'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Mercury Records'
'TRCK' (Track number/Position in set)               '9/11'
'TSO2'                                              'Bregović, Goran'
'TSOC'                                              'Bregović, Goran'
'TSOP' (Performer sort order)                       'Bregović, Goran'
'TSRC' (ISRC (international standard recording code))  'FRZ039570100'
'TXXX:ASIN'                                         'B00000134U'
'TXXX:Acoustid Id'                                  '75cce907-6a8b-4265-8271-145147987bc4'
'TXXX:Artists'                                      'Goran Bregović'
'TXXX:BARCODE'                                      '731452891020'
'TXXX:CATALOGNUMBER'                                '528 910 2'
'TXXX:MusicBrainz Album Artist Id'                  '883ece23-2779-4091-b527-62eb07ee79d4'
'TXXX:MusicBrainz Album Id'                         '33a383a0-ab4a-4ea2-872a-1752d228b8a3'
'TXXX:MusicBrainz Album Release Country'            'FR'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/soundtrack'
'TXXX:MusicBrainz Artist Id'                        '883ece23-2779-4091-b527-62eb07ee79d4'
'TXXX:MusicBrainz Release Group Id'                 'c6f11cbd-8deb-39f1-b36b-6660c02aee89'
'TXXX:MusicBrainz Release Track Id'                 '4f07f81f-1f2a-3557-b274-1ff668ed9dfa'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['soundtrack', 'gypsy', 'balkan', 'folk', 'ethnic']
'TXXX:originalyear'                                 '1995'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.34 dB'
'TXXX:replaygain_track_peak'                        '0.510252'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'0ba62c2c-4426-4f7a-b8f2-c88ec2b2529d')

========================== row from database ==========================
                                              'id'  786231
                                            'path'  /data/Music/Bulk/00localcharacter/Balkan/Goran Bregovic - Uderground/95 Goran Bregovic - Uderground 09 - Underground Tango.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  310
                                           'genre'  soundtrack-video
                                        'filesize'  5133157
                                           'mtime'  1621629661
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Balkan Bregovic Uderground 95 Bregovic Uderground 09 soundtrack video
                                      'tag_artist'  Goran Bregović
                                     'tag_release'  Underground
                                       'tag_title'  Underground Tango
                                             'bpm'  143.0
                                    'search_title'  'tango':2 'underground':1
                                   'search_artist'  'bregovic':2,3 'goran':1
                                  'search_release'  'underground':1
                                     'search_rest'  '95':4 'balkan':1 'bregovic':2 'soundtrack':5 'uderground':3 'video':6
                                    'search_combo'  '95':10 'balkan':7 'bregovic':4B,5B,8 'goran':3B 'soundtrack':11 'tango':2A 'uderground':9 'underground':1A,6C 'video':12
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'gypsy', 'balkan', 'folk', 'ethnic']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629660.977669  (2021-05-21 22:41:00)
                             'size'  5133157