======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '249'
                                          'artist'  'Scum Rats'
                                     'text_people'  ''
                                         'release'  'Demon Of The Dark'
                                           'title'  "My Way Of Rock'n'roll"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['german', 'psychobilly', 'old school psychobilly']"
                                     'discogstags'  "['psychobilly', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'rock-rockabilly or psychobilly'
                                             'bpm'  '108.297'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:Z\x10\x00\x00'                   PRIV(owner='AverageLevel', data=b'Z\x10\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\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: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 \x006\x002\x000\x006\x002\x005\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x005\x005\x002\x000\x009\x002\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x006\x000\x000\x000\x005\x003\x005\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x006\x002\x000\x006\x002\x005\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x005\x005\x002\x000\x009\x002\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x006\x000\x000\x000\x005\x003\x005\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:;\x0f\x18ÅêSFB\x8c>Ïü*s&^'  PRIV(owner='WM/WMCollectionGroupID', data=b';\x0f\x18\xc5\xeaSFB\x8c>\xcf\xfc*s&^')
'PRIV:WM/WMCollectionID:;\x0f\x18ÅêSFB\x8c>Ïü*s&^'  PRIV(owner='WM/WMCollectionID', data=b';\x0f\x18\xc5\xeaSFB\x8c>\xcf\xfc*s&^')
'PRIV:WM/WMContentID:N\x0198¥íÑM¬ò\x04\x9eiìµ7'     PRIV(owner='WM/WMContentID', data=b'N\x0198\xa5\xed\xd1M\xac\xf2\x04\x9ei\xec\xb57')
'TALB' (Album/Movie/Show title)                     'Demon Of The Dark'
'TBPM' (BPM (beats per minute))                     '108.297'
'TCON' (Content type, a.k.a. Genre)                 'rock-rockabilly or psychobilly'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         "My Way Of Rock'n'roll"
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Scum Rats'
'TPE2' (Band/orchestra/accompaniment)               'Scum Rats'
'TPUB' (Publisher)                                  'Crazy Love'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['psychobilly', 'rock']
'TXXX:lastfmtags'                                   ['german', 'psychobilly', 'old school psychobilly']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.17 dB'
'TXXX:replaygain_track_peak'                        '0.736024'

========================== row from database ==========================
                                              'id'  1511779
                                            'path'  /data/Music/Bulk/00poprockelectronic/musica/Scum Rats/Demon of the dark/08 - My Way Of Rock_n_roll.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  249
                                           'genre'  rock-rockabilly or psychobilly
                                        'filesize'  4002172
                                           'mtime'  1620526750
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic musica of the dark 08 Rock_n_roll rock rockabilly or psychobilly
                                      'tag_artist'  Scum Rats
                                     'tag_release'  Demon Of The Dark
                                       'tag_title'  My Way Of Rock'n'roll
                                             'bpm'  108.297
                                    'search_title'  'my':1 'n':5 'of':3 'rock':4 'rocknroll':7 'roll':6 'way':2
                                   'search_artist'  'rats':2 'scum':1
                                  'search_release'  'dark':4 'demon':1 'of':2 'the':3
                                     'search_rest'  '00poprockelectronic':1 'dark':5 'musica':2 'n':7 'of':3 'or':11 'psychobilly':12 'rock':6,9 'rockabilly':10 'roll':8 'the':4
                                    'search_combo'  '00poprockelectronic':14 'dark':13C,18 'demon':10C 'musica':15 'my':1A 'n':5A,20 'of':3A,11C,16 'or':24 'psychobilly':25 'rats':9B 'rock':4A,19,22 'rockabilly':23 'rocknroll':7A 'roll':6A,21 'scum':8B 'the':12C,17 'way':2A
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['german', 'psychobilly', 'old school psychobilly']
                                        'tag_date'  2002
                                     'discogstags'  ['psychobilly', 'rock']

============================== file details ==============================
                                           'mtime'  1620526750.0783525  (2021-05-09 04:19:10)
                             'size'  4002172