======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '227'
                                          'artist'  'Count Basie'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'April In Paris'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-1', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['fip', 'jazz', 'big band', 'swing', 'piano', 'blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '199'
                                      'tracktotal'  ''
                                            'date'  '1956'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '125.006'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'1\x008\x00+\x009\x006\x00+\x004\x00D\x009\x009\x00+\x008\x007\x007\x00C\x00+\x00A\x00E\x009\x003\x00+\x00E\x002\x004\x009\x00+\x001\x001\x009\x00A\x00B\x00+\x001\x004\x003\x003\x007\x00+\x001\x007\x004\x000\x00E\x00+\x001\x00A\x003\x006\x009\x00+\x001\x00C\x00A\x004\x005\x00+\x001\x00F\x00D\x001\x00F\x00+\x002\x002\x00D\x00B\x00F\x00+\x002\x006\x004\x007\x005\x00+\x002\x00A\x002\x007\x00C\x00+\x002\x00F\x000\x00D\x006\x00+\x003\x001\x005\x004\x005\x00+\x003\x009\x00D\x00B\x001\x00+\x003\x00D\x009\x00E\x008\x00+\x004\x000\x005\x005\x002\x00+\x004\x003\x001\x001\x006\x00+\x004\x005\x00F\x008\x008\x00+\x004\x00A\x006\x006\x00C\x00+\x005\x000\x001\x005\x009\x00+\x005\x003\x001\x001\x00E\x00+\x005\x007\x003\x00B\x005\x00\x00\x00')
'PRIV:AverageLevel:È\x12\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xc8\x12\x00\x00')
'PRIV:PeakValue:}x\x00\x00'                         PRIV(owner='PeakValue', data=b'}x\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')
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'PRIV:WM/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
'TBPM' (BPM (beats per minute))                     '125.006'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1956'
'TIT2' (Title/songname/content description)         'April In Paris'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '227280'
'TPE1' (Lead performer(s)/Soloist(s))               'Count Basie'
'TRCK' (Track number/Position in set)               '199'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['fip', 'jazz', 'big band', 'swing', 'piano', 'blues']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.02 dB'
'TXXX:replaygain_track_peak'                        '0.468348'

========================== row from database ==========================
                                              'id'  1441252
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1956/1956-199 - Count Basie - April In Paris.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  227
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  9101107
                                           'mtime'  1620527735
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1956 1956 199 prerock jb jazz unsorted
                                      'tag_artist'  Count Basie
                                     'tag_release'  None
                                       'tag_title'  April In Paris
                                             'bpm'  125.006
                                    'search_title'  'april':1 'in':2 'paris':3
                                   'search_artist'  'basie':2 'count':1
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1956':6 '199':7 'country':4 'exotica':2 'jazz':1 'jb':9 'oldies':3 'prerock':8 'unsorted':10
                                    'search_combo'  '00oldiepop':10 '1956':11 '199':12 'april':1A 'basie':5B 'count':4B 'country':9 'exotica':7 'in':2A 'jazz':6 'jb':14 'oldies':8 'paris':3A 'prerock':13 'unsorted':15
                                    'tag_tracknum'  199
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-3', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['fip', 'jazz', 'big band', 'swing', 'piano', 'blues']
                                        'tag_date'  1956
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620527734.6933494  (2021-05-09 04:35:34)
                             'size'  9101107