======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '149'
                                          'artist'  'Dinah Washington'
                                     'text_people'  'María Mendez Grever/Stanley Adams'
                                         'release'  'Your Hit Parade: 1959'
                                           'title'  "What A Diff'rence A Day Makes"
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-2', '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-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['vocal jazz', 'blues', 'jazz', 'female vocalists', 'jazz vocal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '22'
                                      'tracktotal'  ''
                                            'date'  '1959'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '127.364'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '59-070 POS 8'
'COMM:ID3v1 Comment:XXX'                            '59-070 POS 8'
'MCDI' (Music CD identifier)                        MCDI(data=b'1\x008\x00+\x009\x006\x00+\x003\x008\x00D\x003\x00+\x006\x004\x00A\x00F\x00+\x009\x005\x00F\x003\x00+\x00C\x004\x008\x008\x00+\x00F\x005\x004\x003\x00+\x001\x003\x004\x00F\x004\x00+\x001\x006\x002\x005\x001\x00+\x001\x009\x000\x000\x00F\x00+\x001\x00B\x00B\x006\x00B\x00+\x001\x00E\x00D\x002\x00A\x00+\x002\x002\x006\x00E\x003\x00+\x002\x004\x00E\x005\x002\x00+\x002\x007\x003\x00E\x00B\x00+\x002\x00A\x003\x000\x00F\x00+\x002\x00D\x000\x000\x007\x00+\x002\x00F\x009\x00B\x008\x00+\x003\x002\x00C\x001\x00C\x00+\x003\x005\x00B\x007\x006\x00+\x003\x008\x006\x001\x00E\x00+\x003\x00B\x001\x00F\x005\x00+\x003\x00E\x00D\x001\x00B\x00+\x004\x001\x008\x00E\x00F\x00+\x004\x004\x004\x006\x002\x00+\x004\x009\x006\x009\x00E\x00\x00\x00')
'PRIV:AverageLevel:\x01\x0b\x00\x00'                PRIV(owner='AverageLevel', data=b'\x01\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 \x002\x001\x002\x003\x003\x007\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\x001\x003\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\x007\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\x001\x003\x009\x00\x00\x00')
"PRIV:WM/WMCollectionGroupID:Á'ù\x808.'F¨\x9a\x0eÊ\x8d\x1f80"  PRIV(owner='WM/WMCollectionGroupID', data=b"\xc1'\xf9\x808.'F\xa8\x9a\x0e\xca\x8d\x1f80")
"PRIV:WM/WMCollectionID:Á'ù\x808.'F¨\x9a\x0eÊ\x8d\x1f80"  PRIV(owner='WM/WMCollectionID', data=b"\xc1'\xf9\x808.'F\xa8\x9a\x0e\xca\x8d\x1f80")
'PRIV:WM/WMContentID:iãn¬0\x8dÝO½\x89w¾KV\x9b÷'     PRIV(owner='WM/WMContentID', data=b'i\xe3n\xac0\x8d\xddO\xbd\x89w\xbeKV\x9b\xf7')
'TALB' (Album/Movie/Show title)                     'Your Hit Parade: 1959'
'TBPM' (BPM (beats per minute))                     '127.364'
'TCOM' (Composer)                                   'María Mendez Grever/Stanley Adams'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1959'
'TIT2' (Title/songname/content description)         "What A Diff'rence A Day Makes"
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '149600'
'TPE1' (Lead performer(s)/Soloist(s))               'Dinah Washington'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Time-Life'
'TRCK' (Track number/Position in set)               '22'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['vocal jazz', 'blues', 'jazz', 'female vocalists', 'jazz vocal']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.70 dB'
'TXXX:replaygain_track_peak'                        '0.958172'

========================== row from database ==========================
                                              'id'  1520024
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1959/59-070 - Dinah Washington - What A Diff_rence A Day Makes.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  149
                                           'genre'  prerock-vocal
                                        'filesize'  5985739
                                           'mtime'  1620385944
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 070 Diff_rence prerock vocal
                                      'tag_artist'  Dinah Washington
                                     'tag_release'  Your Hit Parade: 1959
                                       'tag_title'  What A Diff'rence A Day Makes
                                             'bpm'  127.364
                                    'search_title'  'a':2 'day':6 'diff':3 'diffrence':5 'makes':7 'rence':4 'what':1
                                   'search_artist'  'dinah':1 'washington':2
                                  'search_release'  '1959':5 'hit':2 'parade':3,4 'your':1
                                     'search_rest'  '00oldiepop':5 'country':4 'diff':6 'exotica':2 'jazz':1 'oldies':3 'prerock':8 'rence':7 'vocal':9
                                    'search_combo'  '00oldiepop':19 '1959':14C 'a':2A 'country':18 'day':6A 'diff':3A,20 'diffrence':5A 'dinah':8B 'exotica':16 'hit':11C 'jazz':15 'makes':7A 'oldies':17 'parade':12C,13C 'prerock':22 'rence':4A,21 'vocal':23 'washington':9B 'what':1A 'your':10C
                                    'tag_tracknum'  22
                                      '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-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['vocal jazz', 'blues', 'jazz', 'female vocalists', 'jazz vocal']
                                        'tag_date'  1959
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620385944.1926308  (2021-05-07 13:12:24)
                             'size'  5985739