======================== unified (from filesystem) ========================
                                         'bitrate'  '213.642'
                                        'duration'  '223'
                                          'artist'  'Blood Stain Child'
                                     'text_people'  ''
                                         'release'  'Mozaiq'
                                           'title'  'Another Dimension'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-4', 'q-grit-4', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['death metal', 'trance metal', 'metal', 'japanese', 'melodic death metal', "
 "'j metal']")
                                     'discogstags'  "['electronic', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'eid-metal-death-melodic;loc-asia-japan'
                                             'bpm'  '145'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:{,\x00\x00'                      PRIV(owner='AverageLevel', data=b'{,\x00\x00')
'PRIV:PeakValue:¡\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xa1\x7f\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:Z\x00A\x00C\x00R\x00 \x00D\x00B\x00S\x00\x00\x00'  PRIV(owner='WM/Provider', data=b'Z\x00A\x00C\x00R\x00 \x00D\x00B\x00S\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:¥Û»t×ò\x11K¸´\x83\x13U=¤n'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xa5\xdb\xbbt\xd7\xf2\x11K\xb8\xb4\x83\x13U=\xa4n')
'PRIV:WM/WMCollectionID:¥Û»t×ò\x11K¸´\x83\x13U=¤n'  PRIV(owner='WM/WMCollectionID', data=b'\xa5\xdb\xbbt\xd7\xf2\x11K\xb8\xb4\x83\x13U=\xa4n')
'PRIV:WM/WMContentID:ßÉ\x8aÞéú\x90@¦=\x11\x01,¾\\ù'  PRIV(owner='WM/WMContentID', data=b'\xdf\xc9\x8a\xde\xe9\xfa\x90@\xa6=\x11\x01,\xbe\\\xf9')
'TALB' (Album/Movie/Show title)                     'Mozaiq'
'TBPM' (BPM (beats per minute))                     '145'
'TCON' (Content type, a.k.a. Genre)                 ['eid-metal-death-melodic', 'loc-asia-japan']
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Another Dimension'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Blood Stain Child'
'TPE2' (Band/orchestra/accompaniment)               'Blood Stain Child'
'TPUB' (Publisher)                                  'Dope Music'
'TRCK' (Track number/Position in set)               '6'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['electronic', 'rock']
'TXXX:lastfmtags'                                   ['death metal',
 'trance metal',
 'metal',
 'japanese',
 'melodic death metal',
 'j metal']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.28 dB'
'TXXX:replaygain_track_peak'                        '0.314778'

========================== row from database ==========================
                                              'id'  1401575
                                            'path'  /data/Music/Bulk/00dwimp/00metal/00death/Blood Stain Child/Mozaiq/Blood Stain Child-Mozaiq-Another Dimension.mp3
                                         'working'  None
                                         'bitrate'  213
                                    'duration_sec'  223
                                           'genre'  eid-metal-death-melodic;loc-asia-japan
                                        'filesize'  5975326
                                           'mtime'  1620301203
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 00death eid metal death melodic;loc asia japan
                                      'tag_artist'  Blood Stain Child
                                     'tag_release'  Mozaiq
                                       'tag_title'  Another Dimension
                                             'bpm'  145.0
                                    'search_title'  'another':1 'dimension':2
                                   'search_artist'  'blood':1 'child':3 'stain':2
                                  'search_release'  'mozaiq':1
                                     'search_rest'  '00death':3 '00dwimp':1 '00metal':2 'asia':11 'death':6 'eid':4 'japan':12 'loc':8,10 'melodic':7,9 'metal':5
                                    'search_combo'  '00death':9 '00dwimp':7 '00metal':8 'another':1A 'asia':17 'blood':3B 'child':5B 'death':12 'dimension':2A 'eid':10 'japan':18 'loc':14,16 'melodic':13,15 'metal':11 'mozaiq':6C 'stain':4B
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-4', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-4']
                                      'lastfmtags'  ['death metal', 'trance metal', 'metal', 'japanese', 'melodic death metal', 'j metal']
                                        'tag_date'  2007
                                     'discogstags'  ['electronic', 'rock']

============================== file details ==============================
                                           'mtime'  1620301203.3109577  (2021-05-06 13:40:03)
                             'size'  5975326