======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '458'
                                          'artist'  'Johnson Smith Novelty Company'
                                     'text_people'  ''
                                         'release'  'Johnson Smith Novelty Company Horror Record (1973)'
                                           'title'  'Horror Record (Side One)'
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                                      'lastfmtags'  "['horror', 'weird', 'creepy', 'wtf', 'rofl']"
                                     'discogstags'  "['non-music', 'special effects']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1973'
                                        'comments'  ''
                                           'genre'  'soundtrack-unsorted;mi-guitar'
                                             'bpm'  '136.828'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000302 00000331 000029CF'
'COMM:iTunNORM:eng'                                 (' 00000302 00000331 000029CF 00002CC3 00029FBC 00029FBC 00006F8E 00007D88 '
 '0000101F 0000101F')
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000A08 0000000001349FE8 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '4+99779361ACE65375777A957D65BF959E+4412186'
'TALB' (Album/Movie/Show title)                     'Johnson Smith Novelty Company Horror Record (1973)'
'TBPM' (BPM (beats per minute))                     '136.828'
'TCON' (Content type, a.k.a. Genre)                 ['soundtrack-unsorted', 'mi-guitar']
'TDRC' (Recording time)                             '1973'
'TENC' (Encoded by)                                 'iTunes v5.0.1'
'TIT2' (Title/songname/content description)         'Horror Record (Side One)'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Johnson Smith Novelty Company'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['non-music', 'special effects']
'TXXX:lastfmtags'                                   ['horror', 'weird', 'creepy', 'wtf', 'rofl']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.06 dB'
'TXXX:replaygain_track_peak'                        '0.823346'

========================== row from database ==========================
                                              'id'  764363
                                            'path'  /data/Music/Bulk/0nonmusic/Johnson Smith Novelty Company Horror Record (1973)/01 Horror Record (Side One).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  458
                                           'genre'  soundtrack-unsorted;mi-guitar
                                        'filesize'  11156777
                                           'mtime'  1620332447
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic 01 soundtrack unsorted;mi guitar
                                      'tag_artist'  Johnson Smith Novelty Company
                                     'tag_release'  Johnson Smith Novelty Company Horror Record (1973)
                                       'tag_title'  Horror Record (Side One)
                                             'bpm'  136.828
                                    'search_title'  'horror':1 'one':5,6 'record':2 'side':3,4
                                   'search_artist'  'company':4 'johnson':1 'novelty':3 'smith':2
                                  'search_release'  '1973':7,8 'company':4 'horror':5 'johnson':1 'novelty':3 'record':6 'smith':2
                                     'search_rest'  '0nonmusic':1 'guitar':7 'mi':4,6 'soundtrack':2 'unsorted':3,5
                                    'search_combo'  '0nonmusic':19 '1973':17C,18C 'company':10B,14C 'guitar':25 'horror':1A,15C 'johnson':7B,11C 'mi':22,24 'novelty':9B,13C 'one':5A,6A 'record':2A,16C 'side':3A,4A 'smith':8B,12C 'soundtrack':20 'unsorted':21,23
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['horror', 'weird', 'creepy', 'wtf', 'rofl']
                                        'tag_date'  1973
                                     'discogstags'  ['non-music', 'special effects']

============================== file details ==============================
                                           'mtime'  1620332446.6326847  (2021-05-06 22:20:46)
                             'size'  11156777