======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '284'
                                          'artist'  'The Myrrors'
                                     'text_people'  ''
                                         'release'  'Entranced Earth'
                                           'title'  'Liberty Is in the Street'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'q-bass-2', 'Q-JZFKS-1', 'Q-OLDST-2', 'q-drums-3', "
 "'q-other-4', 'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-SYN-2', 'Q-BUSY-3', 'Q-GRIT-3', 'Q-PLAY-3', 'Q-CHART-2', 'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['psychedelic rock', 'space rock', 'psychedelic', 'acid rock', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '7'
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '120.6'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:Google/StoreId:Tqq3irdvf7migmb345u6z27m2di'   PRIV(owner='Google/StoreId', data=b'Tqq3irdvf7migmb345u6z27m2di')
'PRIV:Google/StoreLabelCode:PADPIDA20110831084'     PRIV(owner='Google/StoreLabelCode', data=b'PADPIDA20110831084')
'TALB' (Album/Movie/Show title)                     'Entranced Earth'
'TBPM' (BPM (beats per minute))                     '120.6'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TIT2' (Title/songname/content description)         'Liberty Is in the Street'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Myrrors'
'TPE2' (Band/orchestra/accompaniment)               'The Myrrors'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '2/7'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['psychedelic rock', 'space rock', 'psychedelic', 'acid rock', 'experimental']
'TXXX:q-bass'                                       '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-8.25 dB'
'TXXX:replaygain_track_peak'                        '1.030154'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'899558d7-4aea-4b64-bbd5-f22e36656a2a')

========================== row from database ==========================
                                              'id'  1490379
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Entranced Earth/02 Liberty Is in the Street.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  284
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  11452999
                                           'mtime'  1620736171
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 02 rock cppex psychedelic
                                      'tag_artist'  The Myrrors
                                     'tag_release'  Entranced Earth
                                       'tag_title'  Liberty Is in the Street
                                             'bpm'  120.6
                                    'search_title'  'in':3 'is':2 'liberty':1 'street':5 'the':4
                                   'search_artist'  'myrrors':2 'the':1
                                  'search_release'  'earth':2 'entranced':1
                                     'search_rest'  'classicprogpsy':1 'cppex':3 'psychedelic':4 'rock':2
                                    'search_combo'  'classicprogpsy':10 'cppex':12 'earth':9C 'entranced':8C 'in':3A 'is':2A 'liberty':1A 'myrrors':7B 'psychedelic':13 'rock':11 'street':5A 'the':4A,6B
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-2', 'Q-GRIT-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-3', 'Q-SYN-2', 'q-other-4', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-2']
                                      'lastfmtags'  ['psychedelic rock', 'space rock', 'psychedelic', 'acid rock', 'experimental']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736170.5109618  (2021-05-11 14:29:30)
                             'size'  11452999