======================== unified (from filesystem) ========================
                                         'bitrate'  '196.046'
                                        'duration'  '127'
                                          'artist'  'Jesus H. Presley'
                                     'text_people'  'Ron Grainer / Delia Derbyshire'
                                         'release'  ''
                                           'title'  'Doctor Rocks'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-LOCALNESS-2', 'q-syn-3', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'soundtrack-video-series'
                                             'bpm'  '85.0'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00000264 00000466 0000131A 00002376 00015363 000153B1 00005D32 00005F0B '
 '0000371A 0000FE63')
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000006F9 000000000055F977 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TBPM' (BPM (beats per minute))                     '85.0'
'TCOM' (Composer)                                   'Ron Grainer / Delia Derbyshire'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video-series'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Doctor Rocks'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jesus H. Presley'
'TPE4' (Interpreted, remixed, or otherwise modified by)  'Jesus H. Presley'
'TSSE' (Software/Hardware and settings used for encoding)  'Logic Pro 7.2.3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.25 dB'
'TXXX:replaygain_track_peak'                        '0.626566'

========================== row from database ==========================
                                              'id'  979835
                                            'path'  /data/Music/Bulk/0soundtrack/Dr Who - Collection/Dr Who - Crunchy Who - Doctor Rocks - By Jesus H Presley.mp3
                                         'working'  None
                                         'bitrate'  196
                                    'duration_sec'  127
                                           'genre'  soundtrack-video-series
                                        'filesize'  3137409
                                           'mtime'  1636921506
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Dr Who Collection Dr Who Crunchy Who By soundtrack video series
                                      'tag_artist'  Jesus H. Presley
                                     'tag_release'  None
                                       'tag_title'  Doctor Rocks
                                             'bpm'  85.0
                                    'search_title'  'doctor':1 'rocks':2
                                   'search_artist'  'h':2,3 'jesus':1 'presley':4
                                  'search_release'  
                                     'search_rest'  '0soundtrack':1 'by':6 'collection':4 'crunchy':5 'dr':2 'series':9 'soundtrack':7 'video':8 'who':3
                                    'search_combo'  '0soundtrack':7 'by':12 'collection':10 'crunchy':11 'doctor':1A 'dr':8 'h':4B,5B 'jesus':3B 'presley':6B 'rocks':2A 'series':15 'soundtrack':13 'video':14 'who':9
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636921506.453167  (2021-11-14 21:25:06)
                             'size'  3137409