======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '143'
                                          'artist'  'Todd Rundgren'
                                     'text_people'  'Todd Rundgren'
                                         'release'  'A Wizard, A True Star'
                                           'title'  'Just Another Onionhead/Dada Dali'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['pop', '70s', 'power pop', 'rock', 'progressive rock', 'classic rock']"
                                     'discogstags'  "['electronic', 'rock', 'synth-pop', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1973'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '109.2'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'MCDI' (Music CD identifier)                        MCDI(data=b'1\x003\x00+\x009\x006\x00+\x003\x002\x007\x000\x00+\x004\x00E\x003\x009\x00+\x006\x003\x00F\x008\x00+\x007\x006\x002\x00F\x00+\x008\x00A\x002\x002\x00+\x009\x00D\x005\x008\x00+\x00A\x00F\x00D\x004\x00+\x00D\x00D\x002\x00C\x00+\x001\x003\x00F\x008\x005\x00+\x001\x006\x009\x00A\x009\x00+\x001\x00B\x000\x00C\x006\x00+\x001\x00D\x000\x000\x006\x00+\x002\x001\x00A\x00F\x004\x00+\x002\x003\x005\x00A\x00A\x00+\x002\x00E\x00F\x009\x00C\x00+\x003\x001\x008\x002\x008\x00+\x003\x003\x00A\x004\x007\x00+\x003\x008\x001\x000\x003\x00+\x003\x00D\x008\x008\x00A\x00\x00\x00')
'PRIV:AverageLevel:\x02\x11\x00\x00'                PRIV(owner='AverageLevel', data=b'\x02\x11\x00\x00')
'PRIV:PeakValue:\x95`\x00\x00'                      PRIV(owner='PeakValue', data=b'\x95`\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 \x00 \x001\x007\x000\x009\x003\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x005\x003\x002\x002\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x003\x004\x001\x005\x002\x003\x006\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x00 \x001\x007\x000\x009\x003\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x005\x003\x002\x002\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x003\x004\x001\x005\x002\x003\x006\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x87\\P×\x13lÝB\x8eû+6l²;ù'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x87\\P\xd7\x13l\xddB\x8e\xfb+6l\xb2;\xf9')
'PRIV:WM/WMCollectionID:\x87\\P×\x13lÝB\x8eû+6l²;ù'  PRIV(owner='WM/WMCollectionID', data=b'\x87\\P\xd7\x13l\xddB\x8e\xfb+6l\xb2;\xf9')
'PRIV:WM/WMContentID:\x0c-µ.\x188oHªV\x00\x07Ú¦ÓÖ'  PRIV(owner='WM/WMContentID', data=b'\x0c-\xb5.\x188oH\xaaV\x00\x07\xda\xa6\xd3\xd6')
'TALB' (Album/Movie/Show title)                     'A Wizard, A True Star'
'TBPM' (BPM (beats per minute))                     '109.2'
'TCOM' (Composer)                                   'Todd Rundgren'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TDRC' (Recording time)                             '1973'
'TIT2' (Title/songname/content description)         'Just Another Onionhead/Dada Dali'
'TKEY' (Initial key)                                '7A'
'TLEN' (Length)                                     '143840'
'TPE1' (Lead performer(s)/Soloist(s))               'Todd Rundgren'
'TPE2' (Band/orchestra/accompaniment)               'Todd Rundgren'
'TPUB' (Publisher)                                  'Get Back'
'TRCK' (Track number/Position in set)               '10'
'TSOA' (Album sort order)                           '4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'rock', 'synth-pop', 'experimental']
'TXXX:lastfmtags'                                   ['pop', '70s', 'power pop', 'rock', 'progressive rock', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.29 dB'
'TXXX:replaygain_track_peak'                        '0.532280'

========================== row from database ==========================
                                              'id'  1410672
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Todd Rundgren - A Wizard, A True Star/10 Just Another Onionhead_Dada Dali.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  143
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  5946064
                                           'mtime'  1620737215
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 10 Onionhead_Dada rock cppex psychedelic
                                      'tag_artist'  Todd Rundgren
                                     'tag_release'  A Wizard, A True Star
                                       'tag_title'  Just Another Onionhead/Dada Dali
                                             'bpm'  109.2
                                    'search_title'  'another':2 'dada':4 'dali':6 'just':1 'onionhead':3 'onionheaddada':5
                                   'search_artist'  'rundgren':2 'todd':1
                                  'search_release'  'a':1 'star':5 'true':4 'wizard':2,3
                                     'search_rest'  'classicprogpsy':1 'cppex':5 'dada':3 'onionhead':2 'psychedelic':6 'rock':4
                                    'search_combo'  'a':9C 'another':2A 'classicprogpsy':14 'cppex':18 'dada':4A,16 'dali':6A 'just':1A 'onionhead':3A,15 'onionheaddada':5A 'psychedelic':19 'rock':17 'rundgren':8B 'star':13C 'todd':7B 'true':12C 'wizard':10C,11C
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['pop', '70s', 'power pop', 'rock', 'progressive rock', 'classic rock']
                                        'tag_date'  1973
                                     'discogstags'  ['electronic', 'rock', 'synth-pop', 'experimental']

============================== file details ==============================
                                           'mtime'  1620737215.4940865  (2021-05-11 14:46:55)
                             'size'  5946064