======================== unified (from filesystem) ========================
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                                          'artist'  'David McCallum'
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                                           'title'  'Mellow Yellow / We Gotta Get Out of This Place'
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                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
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                                      'tracktotal'  '23'
                                            'date'  '1997'
                                        'comments'  ''
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'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Mellow Yellow / We Gotta Get Out of This Place'
'TKEY' (Initial key)                                '6B'
'TLEN' (Length)                                     '277786'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'David McCallum'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Capitol Records'
'TRCK' (Track number/Position in set)               '7/23'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'McCallum, David'
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'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
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                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Ultra Lounge 19 - On The Rocks/07. David McCallum - Mellow Yellow We Gotta Get Out Of This Place.mp3
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                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
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                                           'mtime'  1620536925
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                                      'tag_artist'  David McCallum
                                     'tag_release'  Ultra-Lounge: Rock 'n' Roll Hits on the Rocks, Part 1
                                       'tag_title'  Mellow Yellow / We Gotta Get Out of This Place
                                             'bpm'  104.877
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                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['jazz', 'lounge', 'instrumental', 'funk', 'easy listening']
                                        'tag_date'  1997
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620536924.695419  (2021-05-09 07:08:44)
                             'size'  6686872