======================== unified (from filesystem) ========================
                                         'bitrate'  '64.0'
                                        'duration'  '2528'
                                          'artist'  'Brian Cox'
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                                           'title'  'TIMC: Science Rocks! 02 Dec 13'
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                                      'lastfmtags'  "['robbie burns', '1307fh', 'podcast', 'spoken word', 'poetry']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '45'
                                      'tracktotal'  ''
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'nonmusic-speech-podcast'
                                             'bpm'  '95.935'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '95.935'
'TCON' (Content type, a.k.a. Genre)                 'nonmusic-speech-podcast'
'TCOP' (Copyright message)                          '(C) BBC 2013'
'TDRC' (Recording time)                             '2013'
'TIT2' (Title/songname/content description)         'TIMC: Science Rocks! 02 Dec 13'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Brian Cox'
'TPE2' (Band/orchestra/accompaniment)               'Brian Cox'
'TRCK' (Track number/Position in set)               '45'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['robbie burns', '1307fh', 'podcast', 'spoken word', 'poetry']
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'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
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'TXXX:replaygain_track_gain'                        '+2.85 dB'
'TXXX:replaygain_track_peak'                        '0.818094'
'USLT::eng'                                         ('A witty, irreverent and unashamedly rational look at the world of fossils '
 'and geology')

========================== row from database ==========================
                                              'id'  941525
                                            'path'  /data/Music/Bulk/0nonmusic/00audiobooks-podcasts/The Infinite Monkey Cage/45 TIMC- Science Rocks! 02 Dec 13 Brian Cox The Infinite Monkey Cage.mp3
                                         'working'  None
                                         'bitrate'  64
                                    'duration_sec'  2528
                                           'genre'  nonmusic-speech-podcast
                                        'filesize'  20309994
                                           'mtime'  1620562028
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic 00audiobooks podcasts 45 nonmusic speech podcast
                                      'tag_artist'  Brian Cox
                                     'tag_release'  The Infinite Monkey Cage
                                       'tag_title'  TIMC: Science Rocks! 02 Dec 13
                                             'bpm'  95.935
                                    'search_title'  'dec':5 'rocks':4 'science':3 'timc':1,2
                                   'search_artist'  'brian':1 'cox':2
                                  'search_release'  'cage':4 'infinite':2 'monkey':3 'the':1
                                     'search_rest'  '00audiobooks':2 '0nonmusic':1 '45':4 'nonmusic':5 'podcast':7 'podcasts':3 'speech':6
                                    'search_combo'  '00audiobooks':13 '0nonmusic':12 '45':15 'brian':6B 'cage':11C 'cox':7B 'dec':5A 'infinite':9C 'monkey':10C 'nonmusic':16 'podcast':18 'podcasts':14 'rocks':4A 'science':3A 'speech':17 'the':8C 'timc':1A,2A
                                    'tag_tracknum'  45
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['robbie burns', '1307fh', 'podcast', 'spoken word', 'poetry']
                                        'tag_date'  2013
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620562027.619584  (2021-05-09 14:07:07)
                             'size'  20309994