======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '286'
                                          'artist'  'JING BONG TING/TOP CAT'
                                     'text_people'  'Gordon Lightfoot'
                                         'release'  'Sundown'
                                           'title'  'Sundown'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '4'
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-unsorted'
                                             'bpm'  '138.5'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'APIC:Cover Image'                                  type PictureType.COVER_FRONT (Cover (front)) b'Cover Image'
                                     
'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 \x00 \x009\x006\x006\x000\x006\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x002\x000\x005\x003\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x002\x008\x002\x001\x005\x009\x007\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x00 \x009\x006\x006\x000\x006\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x002\x000\x005\x003\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x002\x008\x002\x001\x005\x009\x007\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x9dþ\x19råöOI»½å¨\x1fXîh'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x9d\xfe\x19r\xe5\xf6OI\xbb\xbd\xe5\xa8\x1fX\xeeh')
'PRIV:WM/WMCollectionID:\x9dþ\x19råöOI»½å¨\x1fXîh'  PRIV(owner='WM/WMCollectionID', data=b'\x9d\xfe\x19r\xe5\xf6OI\xbb\xbd\xe5\xa8\x1fX\xeeh')
'PRIV:WM/WMContentID:23èb÷usK\x95«\x1f(ÃìQ\n'       PRIV(owner='WM/WMContentID', data=b'23\xe8b\xf7usK\x95\xab\x1f(\xc3\xecQ\n')
'PRIV:http://www.cdtag.com:\x01\x01@*Û\x00'         PRIV(owner='http://www.cdtag.com', data=b'\x01\x01@*\xdb\x00')
'TALB' (Album/Movie/Show title)                     'Sundown'
'TBPM' (BPM (beats per minute))                     '138.5'
'TCOM' (Composer)                                   'Gordon Lightfoot'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-unsorted'
'TCOP' (Copyright message)                          'Little Island Records 2011'
'TDRC' (Recording time)                             '2011-04-18'
'TIT2' (Title/songname/content description)         'Sundown'
'TKEY' (Initial key)                                '3A'
'TLAN' (Language(s))                                'eng'
'TPE1' (Lead performer(s)/Soloist(s))               'Jing Bong Ting & Top Cat'
'TPE2' (Band/orchestra/accompaniment)               'JING BONG TING/TOP CAT'
'TPUB' (Publisher)                                  'Little Island UK'
'TRCK' (Track number/Position in set)               '1/4'
'TSRC' (ISRC (international standard recording code))  'GBF6R1000003'
'TSSE' (Software/Hardware and settings used for encoding)  'Lame 3.97'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:Release type'                                 'elease'
'TXXX:Rip date'                                     'ip date'
'TXXX:Ripping tool'                                 'ipp'
'TXXX:Source'                                       'our'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-3.15 dB'
'TXXX:replaygain_track_peak'                        '0.471616'
'UFID:artwork guid'                                 UFID(owner='artwork guid', data=b'CE7F7E17-5885-81FA-3EE4-0BF6D4C5C669')
'UFID:catalogue number'                             UFID(owner='catalogue number', data=b'LIR 02D')
'WPUB' (Publishers official webpage)                WPUB(url='Little Island UK')

========================== row from database ==========================
                                              'id'  1313368
                                            'path'  /data/Music/Bulk/00localcharacter/Reggae/01-jing_bong_ting_and_top_cat-sundown.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  286
                                           'genre'  loc-style-reggae or dub or ska or dancehall-unsorted
                                        'filesize'  11496502
                                           'mtime'  1620523540
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Reggae 01 jing_bong_ting_and_top_cat sundown loc style reggae or dub or ska or dancehall unsorted
                                      'tag_artist'  JING BONG TING/TOP CAT
                                     'tag_release'  Sundown
                                       'tag_title'  Sundown
                                             'bpm'  138.5
                                    'search_title'  'sundown':1
                                   'search_artist'  'bong':2 'cat':6 'jing':1 'ting':3 'tingtop':5 'top':4
                                  'search_release'  'sundown':1
                                     'search_rest'  'and':5 'bong':3 'cat':7 'dancehall':14 'dub':12 'jing':2 'loc':9 'or':11 'reggae':1 'ska':13 'style':10 'sundown':8 'ting':4 'top':6 'unsorted':15
                                    'search_combo'  'and':13 'bong':3B,11 'cat':7B,15 'dancehall':22 'dub':20 'jing':2B,10 'loc':17 'or':19 'reggae':9 'ska':21 'style':18 'sundown':1A,8C,16 'ting':4B,12 'tingtop':6B 'top':5B,14 'unsorted':23
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2011
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620523539.582884  (2021-05-09 03:25:39)
                             'size'  11496502