======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '163'
                                          'artist'  'Hilltoppers'
                                     'text_people'  'Charles Tobias/Cliff Friend'
                                         'release'  'P.S. I Love You: The Best of the Hilltoppers'
                                           'title'  'Time Waits For No One'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-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'  "['spotify', 'all', '60s', 'oldies', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1954'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '136.276'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '54-256 POS 25'
'COMM:ID3v1 Comment:XXX'                            '54-256 POS 25'
'MCDI' (Music CD identifier)                        MCDI(data=b'1\x002\x00+\x009\x006\x00+\x003\x006\x00B\x00F\x00+\x006\x004\x00C\x003\x00+\x009\x005\x00E\x007\x00+\x00C\x005\x00D\x00C\x00+\x00F\x009\x00B\x000\x00+\x001\x002\x00D\x009\x000\x00+\x001\x006\x004\x002\x004\x00+\x001\x009\x006\x005\x00E\x00+\x001\x00C\x008\x00A\x004\x00+\x001\x00F\x003\x007\x006\x00+\x002\x002\x004\x00B\x001\x00+\x002\x005\x004\x00A\x00B\x00+\x002\x008\x006\x001\x00A\x00+\x002\x00B\x006\x005\x00B\x00+\x002\x00D\x00D\x004\x000\x00+\x003\x000\x004\x00F\x00F\x00+\x003\x002\x00D\x004\x008\x00+\x003\x005\x007\x00A\x002\x00\x00\x00')
'PRIV:AverageLevel:<\x10\x00\x00'                   PRIV(owner='AverageLevel', data=b'<\x10\x00\x00')
'PRIV:PeakValue:\x88w\x00\x00'                      PRIV(owner='PeakValue', data=b'\x88w\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\x003\x006\x008\x001\x004\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x002\x004\x004\x005\x008\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x002\x006\x000\x001\x000\x006\x005\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x002\x003\x006\x008\x001\x004\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x002\x004\x004\x005\x008\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x002\x006\x000\x001\x000\x006\x005\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:×Ñ&\x94ÑålO\x9a,Ó\x8e\x0fíUÂ'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xd7\xd1&\x94\xd1\xe5lO\x9a,\xd3\x8e\x0f\xedU\xc2')
'PRIV:WM/WMCollectionID:×Ñ&\x94ÑålO\x9a,Ó\x8e\x0fíUÂ'  PRIV(owner='WM/WMCollectionID', data=b'\xd7\xd1&\x94\xd1\xe5lO\x9a,\xd3\x8e\x0f\xedU\xc2')
'PRIV:WM/WMContentID:\x11\x9f"3BäúF\x80éà\x9f÷\x0c£+'  PRIV(owner='WM/WMContentID', data=b'\x11\x9f"3B\xe4\xfaF\x80\xe9\xe0\x9f\xf7\x0c\xa3+')
'TALB' (Album/Movie/Show title)                     'P.S. I Love You: The Best of the Hilltoppers'
'TBPM' (BPM (beats per minute))                     '136.276'
'TCOM' (Composer)                                   'Charles Tobias/Cliff Friend'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1954'
'TIT2' (Title/songname/content description)         'Time Waits For No One'
'TKEY' (Initial key)                                '9A'
'TLEN' (Length)                                     '163760'
'TPE1' (Lead performer(s)/Soloist(s))               'Hilltoppers'
'TPE2' (Band/orchestra/accompaniment)               'Hilltoppers'
'TPUB' (Publisher)                                  'Varese'
'TRCK' (Track number/Position in set)               '12'
'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'                                   ['spotify', 'all', '60s', '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'                        '+1.14 dB'
'TXXX:replaygain_track_peak'                        '0.547440'

========================== row from database ==========================
                                              'id'  1443643
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1954/54-256 - Hilltoppers - Time Waits For No One.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  163
                                           'genre'  prerock-swing
                                        'filesize'  6548144
                                           'mtime'  1620562489
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1954 54 256 prerock swing
                                      'tag_artist'  Hilltoppers
                                     'tag_release'  P.S. I Love You: The Best of the Hilltoppers
                                       'tag_title'  Time Waits For No One
                                             'bpm'  136.276
                                    'search_title'  'for':3 'no':4 'one':5 'time':1 'waits':2
                                   'search_artist'  'hilltoppers':1
                                  'search_release'  'best':9 'hilltoppers':11 'i':4 'love':5 'of':10 'p':1 'ps':3 's':2 'the':8 'you':6,7
                                     'search_rest'  '00oldiepop':5 '1954':6 '256':8 '54':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':9 'swing':10
                                    'search_combo'  '00oldiepop':22 '1954':23 '256':25 '54':24 'best':15C 'country':21 'exotica':19 'for':3A 'hilltoppers':6B,17C 'i':10C 'jazz':18 'love':11C 'no':4A 'of':16C 'oldies':20 'one':5A 'p':7C 'prerock':26 'ps':9C 's':8C 'swing':27 'the':14C 'time':1A 'waits':2A 'you':12C,13C
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  9A
                                           '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'  ['spotify', 'all', '60s', 'oldies', 'swing']
                                        'tag_date'  1954
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620562488.5638723  (2021-05-09 14:14:48)
                             'size'  6548144