======================== unified (from filesystem) ========================
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                                        'duration'  '531'
                                          'artist'  'Miles Davis'
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                                      'lastfmtags'  "['fusion', 'jazz', 'trumpet', 'blues', 'bebop']"
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                                      'tracktotal'  '15'
                                            'date'  ''
                                        'comments'  ''
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                                             'bpm'  '144.955'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'added_timestamp'                                   '128930990202923527'
'album'                                             'The Complete Concert 1964: My Funny Valentine + Four & More'
'albumartist'                                       'Miles Davis'
'albumartistsort'                                   'Davis, Miles'
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'artist'                                            'Miles Davis'
'artistsort'                                        'Davis, Miles'
'asin'                                              'B000002865'
'bpm'                                               '144.955'
'genre'                                             'prerock-jb-blues'
'key'                                               '7A'
'language'                                          'eng'
'lastfmtags'                                        ['fusion', 'jazz', 'trumpet', 'blues', 'bebop']
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'q-syn'                                             '2'
'q-unu'                                             '1'
'q-vocals'                                          '1'
'releasestatus'                                     'official'
'releasetype'                                       'live'
'replaygain_track_gain'                             '-1.58 dB'
'replaygain_track_peak'                             '0.984502'
'script'                                            'Latn'
'title'                                             'All Blues'
'tracknumber'                                       '6'
'tracktotal'                                        '15'

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                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Miles Davis-The Complete Concert 1964 My F___alentine !2b Four !26 More (disc 1)-06-All Blues.ogg
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                                    'duration_sec'  531
                                           'genre'  prerock-jb-blues
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                                       'tag_title'  All Blues
                                             'bpm'  144.955
                                    'search_title'  'all':1 'blues':2
                                   'search_artist'  'davis':2 'miles':1
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                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['q-mixbeat-1', 'q-chart-2', 'q-other-4', 'q-oldst-1', 'q-grit-2', 'q-vocals-1', 'q-drums-2', 'q-busy-3', 'q-localness-2', 'q-jzfks-2', 'q-hhrnbtt-1', 'q-syn-2', 'q-piano-2', 'q-play-2', 'q-bass-3', 'q-hap-2', 'q-unu-1']
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                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620404519.104043  (2021-05-07 18:21:59)
                             'size'  11360330