======================== unified (from filesystem) ========================
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                            'musicbrainz_artistid'  ''
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                                        'comments'  ''
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                                             'bpm'  '127.524'
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rest: ''

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

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'TBPM' (BPM (beats per minute))                     '127.524'
'TCON' (Content type, a.k.a. Genre)                 'nonmusic-speech-podcast'
'TDRC' (Recording time)                             '2013'
'TENC' (Encoded by)                                 'Fraunhofer IIS MP3 v04.01.02 (fast)'
'TIT2' (Title/songname/content description)         'Curious Sounds from the Solid Sound Festival '
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Radiolab'
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'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '4'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['alternative', 'podcast', 'electro', 'npr']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
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'TXXX:replaygain_track_peak'                        '0.716312'

========================== row from database ==========================
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                                           'genre'  nonmusic-speech-podcast
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                                           'mtime'  1620562141
                                   'redo_metaread'  0
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                                       'tag_title'  Curious Sounds from the Solid Sound Festival 
                                             'bpm'  127.524
                                    'search_title'  'curious':1 'festival':7 'from':3 'solid':5 'sound':6 'sounds':2 'the':4
                                   'search_artist'  'radiolab':1
                                  'search_release'  '11':2 'season':1
                                     'search_rest'  '00audiobooks':2 '0nonmusic':1 '2013':5 '27':6 'extras062713solid':9 'nonmusic':10 'podcast':12 'podcasts':3 'radiolab':4 'rl':8 'shorts':7 'speech':11
                                    'search_combo'  '00audiobooks':12 '0nonmusic':11 '11':10C '2013':15 '27':16 'curious':1A 'extras062713solid':19 'festival':7A 'from':3A 'nonmusic':20 'podcast':22 'podcasts':13 'radiolab':8B,14 'rl':18 'season':9C 'shorts':17 'solid':5A 'sound':6A 'sounds':2A 'speech':21 'the':4A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-4', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative', 'podcast', 'electro', 'npr']
                                        'tag_date'  2013
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620562141.177329  (2021-05-09 14:09:01)
                             'size'  8868592