======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '186'
                                          'artist'  'The Rosenberg Trio'
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                                           'title'  "There'll Never Be Another You"
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                                      'lastfmtags'  "['guitar', 'gypsy jazz', 'jazz', 'jazz manouche', 'gypsy']"
                                     'discogstags'  "['jazz', 'gypsy jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '21'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '134.110'
                                             'key'  '10A'
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rest: ''

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

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'TBPM' (BPM (beats per minute))                     '134.110'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDOR' (Original release time)                      '1996'
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         "There'll Never Be Another You"
'TKEY' (Initial key)                                '10A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'The Rosenberg Trio'
'TPE2' (Band/orchestra/accompaniment)               'The Rosenberg Trio'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Hot Club Records'
'TRCK' (Track number/Position in set)               '1/21'
'TSO2'                                              'Rosenberg Trio, The'
'TSOP' (Performer sort order)                       'Rosenberg Trio, The'
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'TXXX:MusicBrainz Album Type'                       'album'
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'TXXX:discogstags'                                  ['jazz', 'gypsy jazz']
'TXXX:lastfmtags'                                   ['guitar', 'gypsy jazz', 'jazz', 'jazz manouche', 'gypsy']
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'TXXX:q-drums'                                      '1'
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'TXXX:q-piano'                                      '1'
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'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.88 dB'
'TXXX:replaygain_track_peak'                        '0.680173'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'63cbded3-2d7e-4403-9432-e86c744f982c')

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                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The Rosenberg Trio - Rosenberg Trio/Hot Club Records Vintage Guitar Series Volume 8/Rosenberg Trio - There_ll Never Be Another You.mp3
                                         'working'  None
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                                    'duration_sec'  186
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  2988980
                                           'mtime'  1620536667
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                                        'rest_str'   00blues jazz exotica oldies country Hot Club Records Vintage Guitar Series Volume 8 There_ll prerock jb jazz unsorted
                                      'tag_artist'  The Rosenberg Trio
                                     'tag_release'  Seresta
                                       'tag_title'  There'll Never Be Another You
                                             'bpm'  134.11
                                    'search_title'  'another':6 'be':5 'll':2 'never':4 'there':1 'therell':3 'you':7
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                                    'search_combo'  '8':23 'another':6A 'be':5A 'club':17 'country':15 'exotica':13 'guitar':20 'hot':16 'jazz':12 'jb':27 'll':2A,25 'never':4A 'oldies':14 'prerock':26 'records':18 'rosenberg':9B 'seresta':11C 'series':21 'the':8B 'there':1A,24 'therell':3A 'trio':10B 'unsorted':28 'vintage':19 'volume':22 'you':7A
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['guitar', 'gypsy jazz', 'jazz', 'jazz manouche', 'gypsy']
                                        'tag_date'  2009
                                     'discogstags'  ['jazz', 'gypsy jazz']

============================== file details ==============================
                                           'mtime'  1620536667.0104017  (2021-05-09 07:04:27)
                             'size'  2988980