======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '167'
                                          'artist'  'Dean Martin'
                                     'text_people'  'Carl Niessen/John Michael'
                                         'release'  'All the Hits: 1948-1969 Disc 1'
                                           'title'  'Angel Baby'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['lounge', 'easy listening', 'jazz', 'oldies', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  ''
                                            'date'  '1958'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '111.211'
                                             'key'  '2B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '58-237 POS 30'
'COMM:ID3v1 Comment:XXX'                            '58-237 POS 30'
'MCDI' (Music CD identifier)                        MCDI(data=b'1\x004\x00+\x00B\x006\x00+\x003\x006\x00B\x00C\x00+\x006\x003\x00D\x008\x00+\x009\x001\x006\x004\x00+\x00C\x002\x00C\x009\x00+\x00F\x008\x008\x001\x00+\x001\x002\x00F\x006\x00D\x00+\x001\x005\x00C\x00D\x006\x00+\x001\x008\x00C\x00E\x005\x00+\x001\x00B\x00A\x00D\x005\x00+\x001\x00F\x000\x005\x001\x00+\x002\x001\x008\x00D\x00B\x00+\x002\x004\x00A\x007\x00C\x00+\x002\x007\x005\x003\x00F\x00+\x002\x009\x00B\x005\x00D\x00+\x002\x00C\x006\x004\x001\x00+\x002\x00F\x00B\x004\x000\x00+\x003\x002\x00C\x005\x00D\x00+\x003\x005\x006\x00E\x00E\x00+\x003\x008\x006\x007\x00B\x00+\x003\x00B\x006\x001\x009\x00\x00\x00')
'PRIV:AverageLevel:÷\x0b\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xf7\x0b\x00\x00')
'PRIV:PeakValue:}^\x00\x00'                         PRIV(owner='PeakValue', data=b'}^\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 \x003\x003\x000\x003\x007\x001\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x003\x001\x002\x000\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x003\x001\x009\x000\x007\x001\x000\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x003\x003\x000\x003\x007\x001\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x003\x001\x002\x000\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x003\x001\x009\x000\x007\x001\x000\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:z\x90\x88¬#\x88^L\x8bû\x15\x1ec\x95\x9b\x1b'  PRIV(owner='WM/WMCollectionGroupID', data=b'z\x90\x88\xac#\x88^L\x8b\xfb\x15\x1ec\x95\x9b\x1b')
'PRIV:WM/WMCollectionID:z\x90\x88¬#\x88^L\x8bû\x15\x1ec\x95\x9b\x1b'  PRIV(owner='WM/WMCollectionID', data=b'z\x90\x88\xac#\x88^L\x8b\xfb\x15\x1ec\x95\x9b\x1b')
'PRIV:WM/WMContentID:ç\x0e\x80o\x90¬¿E\x9b¾2vú¿`É'  PRIV(owner='WM/WMContentID', data=b'\xe7\x0e\x80o\x90\xac\xbfE\x9b\xbe2v\xfa\xbf`\xc9')
'TALB' (Album/Movie/Show title)                     'All the Hits: 1948-1969 Disc 1'
'TBPM' (BPM (beats per minute))                     '111.211'
'TCOM' (Composer)                                   'Carl Niessen/John Michael'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1958'
'TIT2' (Title/songname/content description)         'Angel Baby'
'TKEY' (Initial key)                                '2B'
'TLEN' (Length)                                     '167640'
'TPE1' (Lead performer(s)/Soloist(s))               'Dean Martin'
'TPE2' (Band/orchestra/accompaniment)               'Dean Martin'
'TPUB' (Publisher)                                  'Import'
'TRCK' (Track number/Position in set)               '17'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['lounge', 'easy listening', 'jazz', 'oldies', 'swing']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'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'                        '+1.20 dB'
'TXXX:replaygain_track_peak'                        '0.615959'

========================== row from database ==========================
                                              'id'  1427885
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1958/58-237 - Dean Martin - Angel Baby.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  167
                                           'genre'  prerock-swing
                                        'filesize'  6703700
                                           'mtime'  1620562657
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1958 58 237 prerock swing
                                      'tag_artist'  Dean Martin
                                     'tag_release'  All the Hits: 1948-1969 Disc 1
                                       'tag_title'  Angel Baby
                                             'bpm'  111.211
                                    'search_title'  'angel':1 'baby':2
                                   'search_artist'  'dean':1 'martin':2
                                  'search_release'  '1':9 '1948':5 '19481969':7 '1969':6 'all':1 'disc':8 'hits':3,4 'the':2
                                     'search_rest'  '00oldiepop':5 '1958':6 '237':8 '58':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':9 'swing':10
                                    'search_combo'  '00oldiepop':18 '1':13C '1948':9C '19481969':11C '1958':19 '1969':10C '237':21 '58':20 'all':5C 'angel':1A 'baby':2A 'country':17 'dean':3B 'disc':12C 'exotica':15 'hits':7C,8C 'jazz':14 'martin':4B 'oldies':16 'prerock':22 'swing':23 'the':6C
                                    'tag_tracknum'  17
                                      'num_images'  0
                                             'key'  2B
                                           '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-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['lounge', 'easy listening', 'jazz', 'oldies', 'swing']
                                        'tag_date'  1958
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620562656.6051528  (2021-05-09 14:17:36)
                             'size'  6703700