======================== unified (from filesystem) ========================
                                         'bitrate'  '191.048'
                                        'duration'  '483'
                                          'artist'  'Simian Mobile Disco'
                                     'text_people'  ''
                                         'release'  'Delicacies'
                                           'title'  'Aspic'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'electronica', 'new rave', 'electro', 'electronic']"
                                     'discogstags'  "['electronic', 'house', 'techno', 'electro']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '9'
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '125.006'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:w#\x00\x00'                      PRIV(owner='AverageLevel', data=b'w#\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'PRIV:http://www.cdtag.com:\x02\x00¿HP\x00'         PRIV(owner='http://www.cdtag.com', data=b'\x02\x00\xbfHP\x00')
'TALB' (Album/Movie/Show title)                     'Delicacies'
'TBPM' (BPM (beats per minute))                     '125.006'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2010-11-30'
'TIT2' (Title/songname/content description)         'Aspic'
'TKEY' (Initial key)                                '4A'
'TLAN' (Language(s))                                'eng'
'TPE1' (Lead performer(s)/Soloist(s))               'Simian Mobile Disco'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'Wichita'
'TRCK' (Track number/Position in set)               '1/9'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:Release type'                                 'Normal release'
'TXXX:Rip date'                                     '2010-11-30'
'TXXX:Source'                                       'CD (LP)'
'TXXX:discogstags'                                  ['electronic', 'house', 'techno', 'electro']
'TXXX:lastfmtags'                                   ['dance', 'electronica', 'new rave', 'electro', 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.75 dB'
'TXXX:replaygain_track_peak'                        '0.596372'

========================== row from database ==========================
                                              'id'  1352415
                                            'path'  /data/Music/Bulk/00poprockelectronic/simian mobile disco - delicacies/Simian Mobile Disco - Delicacies - 01 - Aspic.mp3
                                         'working'  None
                                         'bitrate'  191
                                    'duration_sec'  483
                                           'genre'  electronic-unsorted
                                        'filesize'  11551093
                                           'mtime'  1621696888
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic simian mobile disco delicacies 01 electronic unsorted
                                      'tag_artist'  Simian Mobile Disco
                                     'tag_release'  Delicacies
                                       'tag_title'  Aspic
                                             'bpm'  125.006
                                    'search_title'  'aspic':1
                                   'search_artist'  'disco':3 'mobile':2 'simian':1
                                  'search_release'  'delicacies':1
                                     'search_rest'  '00poprockelectronic':1 'delicacies':5 'disco':4 'electronic':6 'mobile':3 'simian':2 'unsorted':7
                                    'search_combo'  '00poprockelectronic':6 'aspic':1A 'delicacies':5C,10 'disco':4B,9 'electronic':11 'mobile':3B,8 'simian':2B,7 'unsorted':12
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'electronica', 'new rave', 'electro', 'electronic']
                                        'tag_date'  2010
                                     'discogstags'  ['electronic', 'house', 'techno', 'electro']

============================== file details ==============================
                                           'mtime'  1621696888.409893  (2021-05-22 17:21:28)
                             'size'  11551093