======================== unified (from filesystem) ========================
                                         'bitrate'  '127.537'
                                        'duration'  '186'
                                          'artist'  'Aristoff Choir'
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                                           'title'  'Vdol Po Piterskoi / Veisia, Veisia Kapoustka'
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                            'musicbrainz_artistid'  ''
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                                      'tracktotal'  '24'
                                            'date'  '1996'
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======================== rawer (from filesystem) ========================

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'TDOR' (Original release time)                      '1996'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Vdol Po Piterskoi / Veisia, Veisia Kapoustka'
'TKEY' (Initial key)                                '7B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Aristoff Choir'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Yazoo Records'
'TRCK' (Track number/Position in set)               '9/24'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Aristoff Choir'
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'TXXX:MusicBrainz Album Status'                     'official'
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'TXXX:q-other'                                      '1'
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'TXXX:q-vocals'                                     '4'
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'TXXX:replaygain_track_peak'                        '0.496836'
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                                    'duration_sec'  186
                                           'genre'  loc-unsorted
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                                      'tag_artist'  Aristoff Choir
                                     'tag_release'  The Secret Museum of Mankind, Volume 3: Ethnic Music Classics 1925-48
                                       'tag_title'  Vdol Po Piterskoi / Veisia, Veisia Kapoustka
                                             'bpm'  141.512
                                    'search_title'  'kapoustka':6 'piterskoi':3 'po':2 'vdol':1 'veisia':4,5
                                   'search_artist'  'aristoff':1 'choir':2
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                                     'search_rest'  '48':11,12 'classics':10 'ethnic':7,8 'loc':15 'mankind':4 'museum':3 'music':9 'piterskoi':14 'russia':13 'secret':2 'the':1 'unsorted':16 'vol':5,6
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                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['eastern europe']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621627319.67652  (2021-05-21 22:01:59)
                             'size'  2983762