======================== unified (from filesystem) ========================
                                         'bitrate'  '218.783'
                                        'duration'  '431'
                                          'artist'  'Corrupt Souls'
                                     'text_people'  ''
                                         'release'  'Disturbed-DSTRBD007 Vinyl'
                                           'title'  'Sentinel'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['drum and bass', 'neurofunk', 'electronic', 'drum n bass', 'dnb']"
                                     'discogstags'  "['electronic', 'drum n bass']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-th-breakbeat or dnb or jungle'
                                             'bpm'  '85.851'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Disturbed-DSTRBD007 Vinyl'
'TBPM' (BPM (beats per minute))                     '85.851'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-breakbeat or dnb or jungle'
'TIT2' (Title/songname/content description)         'Sentinel'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Corrupt Souls'
'TRCK' (Track number/Position in set)               '1'
'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', 'drum n bass']
'TXXX:lastfmtags'                                   ['drum and bass', 'neurofunk', 'electronic', 'drum n bass', 'dnb']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.05 dB'
'TXXX:replaygain_track_peak'                        '0.585200'

========================== row from database ==========================
                                              'id'  1300718
                                            'path'  /data/Music/Bulk/00poprockelectronic/00dnb/Corrupt Souls/Disturbed-Corrupt_Souls-DSTRBD007-Promo-Vinyl-2006-XTC__02-corrupt_souls-01_sentinel-xtc.mp3
                                         'working'  None
                                         'bitrate'  218
                                    'duration_sec'  431
                                           'genre'  electronic-th-breakbeat or dnb or jungle
                                        'filesize'  11816746
                                           'mtime'  1621696444
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00dnb Corrupt_Souls Promo 2006 XTC__02 corrupt_souls 01_sentinel xtc electronic th breakbeat dnb jungle
                                      'tag_artist'  Corrupt Souls
                                     'tag_release'  Disturbed-DSTRBD007 Vinyl
                                       'tag_title'  Sentinel
                                             'bpm'  85.851
                                    'search_title'  'sentinel':1
                                   'search_artist'  'corrupt':1 'souls':2
                                  'search_release'  'disturbed':1 'disturbeddstrbd007':3 'dstrbd007':2 'vinyl':4
                                     'search_rest'  '00dnb':2 '00poprockelectronic':1 '01':9 '02':8 '2006':6 'breakbeat':14 'corrupt':3 'dnb':15 'electronic':12 'jungle':16 'promo':5 'sentinel':10 'souls':4 'th':13 'xtc':7,11
                                    'search_combo'  '00dnb':9 '00poprockelectronic':8 '01':16 '02':15 '2006':13 'breakbeat':21 'corrupt':2B,10 'disturbed':4C 'disturbeddstrbd007':6C 'dnb':22 'dstrbd007':5C 'electronic':19 'jungle':23 'promo':12 'sentinel':1A,17 'souls':3B,11 'th':20 'vinyl':7C 'xtc':14,18
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['drum and bass', 'neurofunk', 'electronic', 'drum n bass', 'dnb']
                                        'tag_date'  
                                     'discogstags'  ['electronic', 'drum n bass']

============================== file details ==============================
                                           'mtime'  1621696444.3445458  (2021-05-22 17:14:04)
                             'size'  11816746