======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '63'
                                          'artist'  'Chris Liberator'
                                     'text_people'  ''
                                         'release'  'Prolekulture'
                                           'title'  'Baby Doc & The Dentist : Tales of Seraphim'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'Q-BUSY-3', 'Q-GRIT-3', 'q-bass-3', 'q-drums-4', 'q-other-3', "
 "'q-piano-1', 'q-vocals-1', 'Q-SYN-4', 'Q-PLAY-2', 'Q-CHART-2', "
 "'Q-MIXBEAT-4']")
                                      'lastfmtags'  "['acid techno', 'techno', 'acid', 'electronic', 'british']"
                                     'discogstags'  "['techno', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-acid'
                                             'bpm'  '121.1'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::XXX'                                         (' 0000043D 000005AB 00000CCD 000012E7 000094AC 000094AC 00005940 00006254 '
 '0000AD3A 0000AD68')
'TALB' (Album/Movie/Show title)                     'Prolekulture'
'TBPM' (BPM (beats per minute))                     '121.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-acid'
'TIT2' (Title/songname/content description)         'Baby Doc & The Dentist : Tales of Seraphim'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Various Artists'
'TPE2' (Band/orchestra/accompaniment)               'Chris Liberator'
'TRCK' (Track number/Position in set)               '9'
'TXXX:DATE'                                         '1997'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '3'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '4'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '4'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['techno', 'electronic']
'TXXX:lastfmtags'                                   ['acid techno', 'techno', 'acid', 'electronic', 'british']
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.14 dB'
'TXXX:replaygain_track_peak'                        '0.538203'

========================== row from database ==========================
                                              'id'  1484974
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Prolekulture (mixed by chris liberator)/09 Baby Doc & The Dentist _ Tales of Seraphim.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  63
                                           'genre'  electronic-th-techno-acid
                                        'filesize'  1357912
                                           'mtime'  1620586523
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy (mixed chris liberator) 09 _ electronic th techno acid
                                      'tag_artist'  Chris Liberator
                                     'tag_release'  Prolekulture
                                       'tag_title'  Baby Doc & The Dentist : Tales of Seraphim
                                             'bpm'  121.1
                                    'search_title'  'baby':1 'dentist':4 'doc':2 'of':6 'seraphim':7 'tales':5 'the':3
                                   'search_artist'  'chris':1 'liberator':2
                                  'search_release'  'prolekulture':1
                                     'search_rest'  'acid':10 'chris':4 'classicprogpsy':1 'electronic':7 'liberator':5,6 'mixed':2,3 'techno':9 'th':8
                                    'search_combo'  'acid':20 'baby':1A 'chris':8B,14 'classicprogpsy':11 'dentist':4A 'doc':2A 'electronic':17 'liberator':9B,15,16 'mixed':12,13 'of':6A 'prolekulture':10C 'seraphim':7A 'tales':5A 'techno':19 'th':18 'the':3A
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-4', 'Q-OLDST-3', 'Q-GRIT-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-4', 'Q-SYN-4', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-3']
                                      'lastfmtags'  ['acid techno', 'techno', 'acid', 'electronic', 'british']
                                        'tag_date'  1997
                                     'discogstags'  ['techno', 'electronic']

============================== file details ==============================
                                           'mtime'  1620586523.1351113  (2021-05-09 20:55:23)
                             'size'  1357912