======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '150'
                                          'artist'  'Frankie Avalon'
                                     'text_people'  'Diane DeNota/Joe Ricci/Pete Damato'
                                         'release'  'The Best of Frankie Avalon [Varese Sarabande]'
                                           'title'  'Just Ask Your Heart'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['60s', 'pop', '50s', 'oldies', 'bubblegum']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '1959'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '88.554'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '59-067 POS 7'
'COMM:ID3v1 Comment:XXX'                            '59-067 POS 7'
'MCDI' (Music CD identifier)                        MCDI(data=b'1\x002\x00+\x009\x006\x00+\x002\x007\x00D\x008\x00+\x004\x00C\x008\x003\x00+\x008\x000\x001\x008\x00+\x00A\x00A\x007\x007\x00+\x00D\x009\x00C\x001\x00+\x00F\x00D\x003\x00E\x00+\x001\x002\x009\x007\x006\x00+\x001\x005\x003\x00A\x00B\x00+\x001\x008\x002\x004\x007\x00+\x001\x00A\x004\x008\x00C\x00+\x001\x00D\x001\x002\x000\x00+\x002\x000\x000\x00C\x006\x00+\x002\x002\x00D\x00F\x00F\x00+\x002\x005\x007\x00C\x004\x00+\x002\x008\x000\x005\x005\x00+\x002\x00A\x00D\x006\x001\x00+\x002\x00E\x004\x003\x004\x00+\x003\x000\x00D\x000\x004\x00\x00\x00')
'PRIV:AverageLevel:.\x0f\x00\x00'                   PRIV(owner='AverageLevel', data=b'.\x0f\x00\x00')
'PRIV:PeakValue:Iy\x00\x00'                         PRIV(owner='PeakValue', data=b'Iy\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')
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'PRIV:WM/WMCollectionGroupID:¾xÛ\x0eqxÜF¥\x15,7\x02]`³'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xbex\xdb\x0eqx\xdcF\xa5\x15,7\x02]`\xb3')
'PRIV:WM/WMCollectionID:¾xÛ\x0eqxÜF¥\x15,7\x02]`³'  PRIV(owner='WM/WMCollectionID', data=b'\xbex\xdb\x0eqx\xdcF\xa5\x15,7\x02]`\xb3')
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'TALB' (Album/Movie/Show title)                     'The Best of Frankie Avalon [Varese Sarabande]'
'TBPM' (BPM (beats per minute))                     '88.554'
'TCOM' (Composer)                                   'Diane DeNota/Joe Ricci/Pete Damato'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1959'
'TIT2' (Title/songname/content description)         'Just Ask Your Heart'
'TKEY' (Initial key)                                '9B'
'TLEN' (Length)                                     '150933'
'TPE1' (Lead performer(s)/Soloist(s))               'Frankie Avalon'
'TPE2' (Band/orchestra/accompaniment)               'Frankie Avalon'
'TPUB' (Publisher)                                  'Varese Sarabande'
'TRCK' (Track number/Position in set)               '7'
'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'                                   ['60s', 'pop', '50s', 'oldies', 'bubblegum']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                        '+1.36 dB'
'TXXX:replaygain_track_peak'                        '0.565411'

========================== row from database ==========================
                                              'id'  1433286
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1959/59-067 - Frankie Avalon - Just Ask Your Heart.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  150
                                           'genre'  prerock-unsorted
                                        'filesize'  6037504
                                           'mtime'  1621698395
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1959 59 067 prerock unsorted
                                      'tag_artist'  Frankie Avalon
                                     'tag_release'  The Best of Frankie Avalon [Varese Sarabande]
                                       'tag_title'  Just Ask Your Heart
                                             'bpm'  88.554
                                    'search_title'  'ask':2 'heart':4 'just':1 'your':3
                                   'search_artist'  'avalon':2 'frankie':1
                                  'search_release'  'avalon':5 'best':2 'frankie':4 'of':3 'sarabande':8,9 'the':1 'varese':6,7
                                     'search_rest'  '00oldiepop':5 '1959':6 '59':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':8 'unsorted':9
                                    'search_combo'  '00oldiepop':20 '1959':21 '59':22 'ask':2A 'avalon':6B,11C 'best':8C 'country':19 'exotica':17 'frankie':5B,10C 'heart':4A 'jazz':16 'just':1A 'of':9C 'oldies':18 'prerock':23 'sarabande':14C,15C 'the':7C 'unsorted':24 'varese':12C,13C 'your':3A
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  9B
                                           '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-2', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['60s', 'pop', '50s', 'oldies', 'bubblegum']
                                        'tag_date'  1959
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621698394.6814988  (2021-05-22 17:46:34)
                             'size'  6037504