======================== unified (from filesystem) ========================
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                                        'duration'  '1652'
                                          'artist'  'Douglas Adams'
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                                      'lastfmtags'  "['audiobook', 'comedy', 'sci fi', 'spoken word', 'radio']"
                                     'discogstags'  "['non-music']"
                             'musicbrainz_albumid'  ''
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                            'musicbrainz_artistid'  ''
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                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
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                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '05 Quintessential Phase'
'COMM:ID3v1 Comment:XXX'                            '05 Quintessential Phase'
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'TBPM' (BPM (beats per minute))                     '127.605'
'TCON' (Content type, a.k.a. Genre)                 'nonmusic-speech-comedy or drama'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Episode 24'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Douglas Adams'
'TRCK' (Track number/Position in set)               '24'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'non-music'
'TXXX:lastfmtags'                                   ['audiobook', 'comedy', 'sci fi', 'spoken word', 'radio']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'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'                        '+2.48 dB'
'TXXX:replaygain_track_peak'                        '0.531512'

========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/0nonmusic/00audiobooks-podcasts/Hitchhiker_s Guide to the Galaxy/Douglas Adams - Hitchhiker_s Guide to the Galaxy (BBC) - 05 Quintessential Phase - Episode 24.mp3
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                                           'genre'  nonmusic-speech-comedy or drama
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                                       'tag_title'  Episode 24
                                             'bpm'  127.605
                                    'search_title'  '24':2 'episode':1
                                   'search_artist'  'adams':2 'douglas':1
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                                    'search_combo'  '00audiobooks':15 '0nonmusic':14 '24':2A 'adams':4B 'bbc':12C,13C 'comedy':23 'douglas':3B 'drama':25 'episode':1A 'galaxy':11C 'guide':8C 'hitchhiker':5C,17 'hitchhikers':7C 'nonmusic':21 'or':24 'phase':20 'podcasts':16 'quintessential':19 's':6C,18 'speech':22 'the':10C 'to':9C
                                    'tag_tracknum'  24
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-1', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['audiobook', 'comedy', 'sci fi', 'spoken word', 'radio']
                                        'tag_date'  2005
                                     'discogstags'  ['non-music']

============================== file details ==============================
                                           'mtime'  1621853473.0290134  (2021-05-24 12:51:13)
                             'size'  13220043