======================== unified (from filesystem) ========================
                                         'bitrate'  '177.082'
                                        'duration'  '108'
                                          'artist'  'Covox'
                                     'text_people'  ''
                                         'release'  'Delete the Elite'
                                           'title'  'Leave Everything / Move on'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronic', '8 bit', 'chiptune', '8bit', 'bitpop']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-we-beeps or chip or pico;set-pl-sced'
                                             'bpm'  '95.7'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00000855 00000427 00001B7F 000020C2 0000E6A8 000137D7 00008000 0000798E '
 '0000E6A8 000137D7')
'TALB' (Album/Movie/Show title)                     'Delete the Elite'
'TBPM' (BPM (beats per minute))                     '95.7'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-we-beeps or chip or pico', 'set-pl-sced']
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Leave Everything / Move on'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Covox'
'TPE2' (Band/orchestra/accompaniment)               'Covox'
'TRCK' (Track number/Position in set)               '4'
'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:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronic', '8 bit', 'chiptune', '8bit', 'bitpop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.27 dB'
'TXXX:replaygain_track_peak'                        '0.512774'

========================== row from database ==========================
                                              'id'  1368628
                                            'path'  /data/Music/Bulk/00poprockelectronic/00beepy/Covox/[2005] Delete the Elite/04 Leave Everything _ Move on.mp3
                                         'working'  None
                                         'bitrate'  177
                                    'duration_sec'  108
                                           'genre'  electronic-we-beeps or chip or pico;set-pl-sced
                                        'filesize'  2556554
                                           'mtime'  1621705484
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00beepy [2005] 04 _ electronic we beeps or chip or pico;set pl sced
                                      'tag_artist'  Covox
                                     'tag_release'  Delete the Elite
                                       'tag_title'  Leave Everything / Move on
                                             'bpm'  95.7
                                    'search_title'  'everything':2 'leave':1 'move':3 'on':4
                                   'search_artist'  'covox':1
                                  'search_release'  'delete':1 'elite':3 'the':2
                                     'search_rest'  '00beepy':2 '00poprockelectronic':1 '2005':3,4 'beeps':7 'chip':9 'electronic':5 'or':8 'pico':10,12 'pl':14 'sced':15 'set':11,13 'we':6
                                    'search_combo'  '00beepy':10 '00poprockelectronic':9 '2005':11,12 'beeps':15 'chip':17 'covox':5B 'delete':6C 'electronic':13 'elite':8C 'everything':2A 'leave':1A 'move':3A 'on':4A 'or':16 'pico':18,20 'pl':22 'sced':23 'set':19,21 'the':7C 'we':14
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-4', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['electronic', '8 bit', 'chiptune', '8bit', 'bitpop']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621705483.5648582  (2021-05-22 19:44:43)
                             'size'  2556554