======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '144'
                                          'artist'  'Sarah Vaughan'
                                     'text_people'  'Hal David; Michael Edwards'
                                         'release'  'Treasured Tunes, Vol. 3'
                                           'title'  'Broken Hearted Melody'
                                           'quals'  ("['Q-HAP-3', '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-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['vocal jazz', 'jazz vocal', 'jazz', 'female vocalists', 'blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1959'
                                        'comments'  ''
                                           'genre'  'prerock-vocal-easy'
                                             'bpm'  '134.021'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '59-064 POS 7'
'COMM:ID3v1 Comment:XXX'                            '59-064 POS 7'
'MCDI' (Music CD identifier)                        MCDI(data=b'1\x004\x00+\x009\x006\x00+\x002\x004\x00D\x00B\x00+\x005\x000\x005\x007\x00+\x007\x00A\x00B\x00B\x00+\x00A\x004\x00F\x00D\x00+\x00D\x005\x000\x004\x00+\x001\x000\x001\x007\x006\x00+\x001\x002\x000\x005\x004\x00+\x001\x005\x005\x007\x00E\x00+\x001\x007\x00F\x001\x00D\x00+\x001\x00A\x00C\x00A\x00C\x00+\x001\x00E\x005\x00B\x00B\x00+\x002\x000\x00B\x00B\x001\x00+\x002\x003\x001\x009\x00A\x00+\x002\x006\x00D\x004\x005\x00+\x002\x009\x00D\x005\x00D\x00+\x002\x00C\x00D\x00B\x004\x00+\x003\x000\x005\x004\x007\x00+\x003\x004\x007\x00F\x008\x00+\x003\x008\x006\x002\x00D\x00+\x003\x00C\x004\x007\x001\x00\x00\x00')
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'PRIV:WM/WMCollectionID:\x17»E\x14íÍ=I\x92vhµÍu÷\xad'  PRIV(owner='WM/WMCollectionID', data=b'\x17\xbbE\x14\xed\xcd=I\x92vh\xb5\xcdu\xf7\xad')
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'TALB' (Album/Movie/Show title)                     'Treasured Tunes, Vol. 3'
'TBPM' (BPM (beats per minute))                     '134.021'
'TCOM' (Composer)                                   'Hal David; Michael Edwards'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal-easy'
'TDRC' (Recording time)                             '1959'
'TIT2' (Title/songname/content description)         'Broken Hearted Melody'
'TKEY' (Initial key)                                '9B'
'TLEN' (Length)                                     '144693'
'TPE1' (Lead performer(s)/Soloist(s))               'Sarah Vaughan'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Stardust'
'TRCK' (Track number/Position in set)               '3'
'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'                                   ['vocal jazz', 'jazz vocal', 'jazz', 'female vocalists', 'blues']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.28 dB'
'TXXX:replaygain_track_peak'                        '0.498152'

========================== row from database ==========================
                                              'id'  1428921
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1959/59-064 - Sarah Vaughan - Broken Hearted Melody.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  144
                                           'genre'  prerock-vocal-easy
                                        'filesize'  5790856
                                           'mtime'  1621625788
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1959 59 064 prerock vocal easy
                                      'tag_artist'  Sarah Vaughan
                                     'tag_release'  Treasured Tunes, Vol. 3
                                       'tag_title'  Broken Hearted Melody
                                             'bpm'  134.021
                                    'search_title'  'broken':1 'hearted':2 'melody':3
                                   'search_artist'  'sarah':1 'vaughan':2
                                  'search_release'  '3':6 'treasured':1 'tunes':2,3 'vol':4,5
                                     'search_rest'  '00oldiepop':5 '1959':6 '59':7 'country':4 'easy':10 'exotica':2 'jazz':1 'oldies':3 'prerock':8 'vocal':9
                                    'search_combo'  '00oldiepop':16 '1959':17 '3':11C '59':18 'broken':1A 'country':15 'easy':21 'exotica':13 'hearted':2A 'jazz':12 'melody':3A 'oldies':14 'prerock':19 'sarah':4B 'treasured':6C 'tunes':7C,8C 'vaughan':5B 'vocal':20 'vol':9C,10C
                                    'tag_tracknum'  3
                                      '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-2', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['vocal jazz', 'jazz vocal', 'jazz', 'female vocalists', 'blues']
                                        'tag_date'  1959
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621625787.610013  (2021-05-21 21:36:27)
                             'size'  5790856