======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '133'
                                          'artist'  'Bobby Darin'
                                     'text_people'  'Bobby Darin/Jean Murray'
                                         'release'  'The Ultimate Bobby Darin'
                                           'title'  'Splish Splash'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['male vocalists', 'jazz', 'easy listening', 'oldies', 'swing']"
                                     'discogstags'  "['jazz', 'rock', 'rock & roll', 'big band']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1958'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '146.000'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '58-038 POS 3'
'COMM:ID3v1 Comment:XXX'                            '58-038 POS 3'
'MCDI' (Music CD identifier)                        MCDI(data=b'1\x001\x00+\x00B\x006\x00+\x002\x007\x00D\x00F\x00+\x004\x00E\x00F\x00E\x00+\x007\x001\x009\x00F\x00+\x009\x00E\x002\x00F\x00+\x00D\x005\x008\x00E\x00+\x001\x000\x00E\x00A\x007\x00+\x001\x003\x004\x001\x003\x00+\x001\x006\x001\x004\x008\x00+\x001\x008\x008\x00F\x008\x00+\x001\x00B\x006\x005\x007\x00+\x001\x00D\x00E\x00D\x006\x00+\x002\x000\x00C\x009\x002\x00+\x002\x003\x003\x003\x009\x00+\x002\x005\x00B\x006\x006\x00+\x002\x009\x005\x008\x008\x00+\x002\x00B\x00E\x005\x005\x00+\x002\x00F\x001\x004\x000\x00\x00\x00')
'PRIV:AverageLevel:Ç\x10\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xc7\x10\x00\x00')
'PRIV:PeakValue:\x12j\x00\x00'                      PRIV(owner='PeakValue', data=b'\x12j\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 \x00 \x005\x001\x002\x001\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x004\x000\x002\x005\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x00 \x009\x006\x006\x008\x003\x005\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x00 \x00 \x005\x001\x002\x001\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x004\x000\x002\x005\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x00 \x009\x006\x006\x008\x003\x005\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:ûOm\x15ÇRãDµg`\x8eàdª´'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xfbOm\x15\xc7R\xe3D\xb5g`\x8e\xe0d\xaa\xb4')
'PRIV:WM/WMCollectionID:ûOm\x15ÇRãDµg`\x8eàdª´'     PRIV(owner='WM/WMCollectionID', data=b'\xfbOm\x15\xc7R\xe3D\xb5g`\x8e\xe0d\xaa\xb4')
'PRIV:WM/WMContentID:ùïT\\Gn_J¨\x13¥º&NëÓ'          PRIV(owner='WM/WMContentID', data=b'\xf9\xefT\\Gn_J\xa8\x13\xa5\xba&N\xeb\xd3')
'TALB' (Album/Movie/Show title)                     'The Ultimate Bobby Darin'
'TBPM' (BPM (beats per minute))                     '146.000'
'TCOM' (Composer)                                   'Bobby Darin/Jean Murray'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1958'
'TIT2' (Title/songname/content description)         'Splish Splash'
'TKEY' (Initial key)                                '8B'
'TLEN' (Length)                                     '133666'
'TPE1' (Lead performer(s)/Soloist(s))               'Bobby Darin'
'TPE2' (Band/orchestra/accompaniment)               'Bobby Darin'
'TPUB' (Publisher)                                  'Warner Brothers'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['jazz', 'rock', 'rock & roll', 'big band']
'TXXX:lastfmtags'                                   ['male vocalists', 'jazz', 'easy listening', 'oldies', 'swing']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.93 dB'
'TXXX:replaygain_track_peak'                        '0.487068'

========================== row from database ==========================
                                              'id'  1427462
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1958/58-038 - Bobby Darin - Splish Splash.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  133
                                           'genre'  prerock-unsorted
                                        'filesize'  5347200
                                           'mtime'  1621698356
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1958 58 038 prerock unsorted
                                      'tag_artist'  Bobby Darin
                                     'tag_release'  The Ultimate Bobby Darin
                                       'tag_title'  Splish Splash
                                             'bpm'  146.0
                                    'search_title'  'splash':2 'splish':1
                                   'search_artist'  'bobby':1 'darin':2
                                  'search_release'  'bobby':3 'darin':4 'the':1 'ultimate':2
                                     'search_rest'  '00oldiepop':5 '1958':6 '58':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':8 'unsorted':9
                                    'search_combo'  '00oldiepop':13 '1958':14 '58':15 'bobby':3B,7C 'country':12 'darin':4B,8C 'exotica':10 'jazz':9 'oldies':11 'prerock':16 'splash':2A 'splish':1A 'the':5C 'ultimate':6C 'unsorted':17
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['male vocalists', 'jazz', 'easy listening', 'oldies', 'swing']
                                        'tag_date'  1958
                                     'discogstags'  ['jazz', 'rock', 'rock & roll', 'big band']

============================== file details ==============================
                                           'mtime'  1621698356.405003  (2021-05-22 17:45:56)
                             'size'  5347200