======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '178'
                                          'artist'  'Louis Prima And Keely Smith'
                                     'text_people'  'Harold Arlen/Johnny Mercer'
                                         'release'  'Your Hit Parade: 1958'
                                           'title'  'That Old Black Magic'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['super', 'remedios', 'ferri', 'prima', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '1958'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '124.468'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '58-148 POS 18'
'COMM:ID3v1 Comment:XXX'                            '58-148 POS 18'
'MCDI' (Music CD identifier)                        MCDI(data=b'1\x008\x00+\x009\x006\x00+\x002\x007\x002\x006\x00+\x004\x00E\x00C\x002\x00+\x007\x006\x007\x005\x00+\x00A\x006\x004\x002\x00+\x00D\x000\x004\x00A\x00+\x001\x000\x00B\x00F\x00F\x00+\x001\x003\x002\x004\x005\x00+\x001\x006\x002\x00F\x008\x00+\x001\x009\x004\x00D\x00A\x00+\x001\x00C\x001\x001\x005\x00+\x001\x00E\x00D\x006\x006\x00+\x002\x001\x009\x002\x003\x00+\x002\x004\x00D\x007\x004\x00+\x002\x007\x00B\x005\x007\x00+\x002\x00A\x009\x00D\x001\x00+\x002\x00D\x003\x003\x004\x00+\x002\x00F\x00E\x002\x007\x00+\x003\x002\x007\x007\x00D\x00+\x003\x005\x002\x008\x00C\x00+\x003\x008\x001\x00F\x000\x00+\x003\x00A\x00B\x00B\x002\x00+\x003\x00D\x002\x001\x00B\x00+\x004\x000\x000\x00C\x00E\x00+\x004\x003\x006\x009\x00F\x00\x00\x00')
'PRIV:AverageLevel:\x04\r\x00\x00'                  PRIV(owner='AverageLevel', data=b'\x04\r\x00\x00')
'PRIV:PeakValue:þ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xfe\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 \x002\x001\x002\x003\x003\x006\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00V\x00A\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x002\x008\x003\x000\x000\x004\x009\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x002\x001\x002\x003\x003\x006\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00V\x00A\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x002\x008\x003\x000\x000\x004\x009\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:LÖÝG~\x05)K«%ÉKLM\x19ò'  PRIV(owner='WM/WMCollectionGroupID', data=b'L\xd6\xddG~\x05)K\xab%\xc9KLM\x19\xf2')
'PRIV:WM/WMCollectionID:LÖÝG~\x05)K«%ÉKLM\x19ò'     PRIV(owner='WM/WMCollectionID', data=b'L\xd6\xddG~\x05)K\xab%\xc9KLM\x19\xf2')
"PRIV:WM/WMContentID:\xa0\x16¤]øS'L\x88Ýh\x9fÍ\x85u{"  PRIV(owner='WM/WMContentID', data=b"\xa0\x16\xa4]\xf8S'L\x88\xddh\x9f\xcd\x85u{")
'TALB' (Album/Movie/Show title)                     'Your Hit Parade: 1958'
'TBPM' (BPM (beats per minute))                     '124.468'
'TCOM' (Composer)                                   'Harold Arlen/Johnny Mercer'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1958'
'TIT2' (Title/songname/content description)         'That Old Black Magic'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '178573'
'TPE1' (Lead performer(s)/Soloist(s))               'Louis Prima And Keely Smith'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Time-Life'
'TRCK' (Track number/Position in set)               '13'
'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:lastfmtags'                                   ['super', 'remedios', 'ferri', 'prima', 'swing']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.56 dB'
'TXXX:replaygain_track_peak'                        '0.712829'

========================== row from database ==========================
                                              'id'  1448951
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1958/58-148 - Louis Prima & Keely Smith - That Old Black Magic.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  178
                                           'genre'  prerock-vocal
                                        'filesize'  7146625
                                           'mtime'  1621853361
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 148 & prerock vocal
                                      'tag_artist'  Louis Prima And Keely Smith
                                     'tag_release'  Your Hit Parade: 1958
                                       'tag_title'  That Old Black Magic
                                             'bpm'  124.468
                                    'search_title'  'black':3 'magic':4 'old':2 'that':1
                                   'search_artist'  'and':3 'keely':4 'louis':1 'prima':2 'smith':5
                                  'search_release'  '1958':5 'hit':2 'parade':3,4 'your':1
                                     'search_rest'  '00oldiepop':5 '148':6 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':7 'vocal':8
                                    'search_combo'  '00oldiepop':19 '148':20 '1958':14C 'and':7B 'black':3A 'country':18 'exotica':16 'hit':11C 'jazz':15 'keely':8B 'louis':5B 'magic':4A 'old':2A 'oldies':17 'parade':12C,13C 'prerock':21 'prima':6B 'smith':9B 'that':1A 'vocal':22 'your':10C
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['super', 'remedios', 'ferri', 'prima', 'swing']
                                        'tag_date'  1958
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621853361.1490564  (2021-05-24 12:49:21)
                             'size'  7146625