======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '161'
                                          'artist'  'Les Paul & Mary Ford'
                                     'text_people'  ''
                                         'release'  "Your Hit Parade: The Late '50s"
                                           'title'  'Hummingbird'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-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-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['guitar', 'jazz', '50s', 'pop', 'oldies']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '060'
                                      'tracktotal'  ''
                                            'date'  '1955'
                                        'comments'  ''
                                           'genre'  'prerock-guitar'
                                             'bpm'  '141.118'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'1\x008\x00+\x009\x006\x00+\x002\x00D\x009\x001\x00+\x005\x003\x00A\x00C\x00+\x007\x00E\x006\x00D\x00+\x00A\x00E\x000\x00B\x00+\x00D\x00C\x004\x006\x00+\x001\x000\x009\x00E\x009\x00+\x001\x003\x00E\x003\x007\x00+\x001\x007\x000\x005\x000\x00+\x001\x00A\x00B\x002\x00E\x00+\x001\x00D\x00C\x005\x009\x00+\x002\x000\x00C\x004\x00F\x00+\x002\x004\x000\x00C\x00F\x00+\x002\x006\x00D\x008\x006\x00+\x002\x00A\x000\x006\x00F\x00+\x002\x00D\x006\x002\x005\x00+\x003\x000\x009\x000\x00D\x00+\x003\x003\x00F\x004\x005\x00+\x003\x007\x003\x00A\x00A\x00+\x003\x009\x00D\x00C\x001\x00+\x003\x00C\x00B\x000\x009\x00+\x003\x00F\x00A\x007\x003\x00+\x004\x003\x001\x002\x00F\x00+\x004\x005\x003\x008\x000\x00+\x004\x007\x00C\x005\x00A\x00\x00\x00')
'PRIV:AverageLevel:\x96\x05\x00\x00'                PRIV(owner='AverageLevel', data=b'\x96\x05\x00\x00')
'PRIV:PeakValue:Þ0\x00\x00'                         PRIV(owner='PeakValue', data=b'\xde0\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\x005\x009\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00V\x00A\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x002\x007\x005\x005\x005\x001\x005\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\x005\x009\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00V\x00A\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x002\x007\x005\x005\x005\x001\x005\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:F\x17Á\x96\x1eææF±\n)G&Ý\x8c9'  PRIV(owner='WM/WMCollectionGroupID', data=b'F\x17\xc1\x96\x1e\xe6\xe6F\xb1\n)G&\xdd\x8c9')
'PRIV:WM/WMCollectionID:F\x17Á\x96\x1eææF±\n)G&Ý\x8c9'  PRIV(owner='WM/WMCollectionID', data=b'F\x17\xc1\x96\x1e\xe6\xe6F\xb1\n)G&\xdd\x8c9')
'PRIV:WM/WMContentID:\x86\x94ñ\x17ñ$\x08L\x81\x12\x9b\nÇ\x9f\xad\x06'  PRIV(owner='WM/WMContentID', data=b'\x86\x94\xf1\x17\xf1$\x08L\x81\x12\x9b\n\xc7\x9f\xad\x06')
'TALB' (Album/Movie/Show title)                     "Your Hit Parade: The Late '50s"
'TBPM' (BPM (beats per minute))                     '141.118'
'TCON' (Content type, a.k.a. Genre)                 'prerock-guitar'
'TDRC' (Recording time)                             '1955'
'TIT2' (Title/songname/content description)         'Hummingbird'
'TKEY' (Initial key)                                '12B'
'TLEN' (Length)                                     '161840'
'TPE1' (Lead performer(s)/Soloist(s))               'Les Paul & Mary Ford'
'TPUB' (Publisher)                                  'Time-Life'
'TRCK' (Track number/Position in set)               '060'
'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'                                   ['guitar', 'jazz', '50s', 'pop', 'oldies']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'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'                        '+1.61 dB'
'TXXX:replaygain_track_peak'                        '0.637354'

========================== row from database ==========================
                                              'id'  1441008
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1955/1955-060 - Les Paul & Mary Ford - Hummingbird.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  161
                                           'genre'  prerock-guitar
                                        'filesize'  6473764
                                           'mtime'  1621705378
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1955 1955 060 prerock guitar
                                      'tag_artist'  Les Paul & Mary Ford
                                     'tag_release'  Your Hit Parade: The Late '50s
                                       'tag_title'  Hummingbird
                                             'bpm'  141.118
                                    'search_title'  'hummingbird':1
                                   'search_artist'  'ford':4 'les':1 'mary':3 'paul':2
                                  'search_release'  '50s':7,8 'hit':2 'late':6 'parade':3,4 'the':5 'your':1
                                     'search_rest'  '00oldiepop':5 '1955':6 'country':4 'exotica':2 'guitar':8 'jazz':1 'oldies':3 'prerock':7
                                    'search_combo'  '00oldiepop':18 '1955':19 '50s':12C,13C 'country':17 'exotica':15 'ford':5B 'guitar':21 'hit':7C 'hummingbird':1A 'jazz':14 'late':11C 'les':2B 'mary':4B 'oldies':16 'parade':8C,9C 'paul':3B 'prerock':20 'the':10C 'your':6C
                                    'tag_tracknum'  60
                                      'num_images'  0
                                             'key'  12B
                                           '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-1', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['guitar', 'jazz', '50s', 'pop', 'oldies']
                                        'tag_date'  1955
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621705378.1890674  (2021-05-22 19:42:58)
                             'size'  6473764