======================== unified (from filesystem) ========================
                                         'bitrate'  '127.989'
                                        'duration'  '600'
                                          'artist'  'Doctor Who'
                                     'text_people'  ''
                                         'release'  'The Ghosts Of N-Space'
                                           'title'  'The Ghosts Of N-Space 08'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'awesome', 'hardcore']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'nonmusic-speech-comedy or drama'
                                             'bpm'  '87.032'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'The Ghosts Of N-Space'
'TBPM' (BPM (beats per minute))                     '87.032'
'TCON' (Content type, a.k.a. Genre)                 'nonmusic-speech-comedy or drama'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'The Ghosts Of N-Space 08'
'TKEY' (Initial key)                                '2A'
'TLEN' (Length)                                     '97391548'
'TPE1' (Lead performer(s)/Soloist(s))               'Doctor Who'
'TRCK' (Track number/Position in set)               '8'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME 32bits version 3.98.2 (http://www.mp3dev.org/)'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soundtrack', 'awesome', 'hardcore']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.01 dB'
'TXXX:replaygain_track_peak'                        '0.471441'

========================== row from database ==========================
                                              'id'  942112
                                            'path'  /data/Music/Bulk/0nonmusic/00audiobooks-podcasts/Doctor Who/Doctor Who - 1996 - The Ghosts Of N-Space [3]/The Ghosts of N-Space (08).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  600
                                           'genre'  nonmusic-speech-comedy or drama
                                        'filesize'  9656654
                                           'mtime'  1621853477
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic 00audiobooks podcasts 1996 [3] of (08) nonmusic speech comedy drama
                                      'tag_artist'  Doctor Who
                                     'tag_release'  The Ghosts Of N-Space
                                       'tag_title'  The Ghosts Of N-Space 08
                                             'bpm'  87.032
                                    'search_title'  'ghosts':2 'n':4 'nspace':6 'of':3 'space':5 'the':1
                                   'search_artist'  'doctor':1 'who':2
                                  'search_release'  'ghosts':2 'n':4 'nspace':6 'of':3 'space':5 'the':1
                                     'search_rest'  '00audiobooks':2 '08':8,9 '0nonmusic':1 '1996':4 '3':5,6 'comedy':12 'drama':13 'nonmusic':10 'of':7 'podcasts':3 'speech':11
                                    'search_combo'  '00audiobooks':16 '08':22,23 '0nonmusic':15 '1996':18 '3':19,20 'comedy':26 'doctor':7B 'drama':27 'ghosts':2A,10C 'n':4A,12C 'nonmusic':24 'nspace':6A,14C 'of':3A,11C,21 'podcasts':17 'space':5A,13C 'speech':25 'the':1A,9C 'who':8B
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'awesome', 'hardcore']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621853476.7826483  (2021-05-24 12:51:16)
                             'size'  9656654