======================== unified (from filesystem) ========================
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
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                                      'tracktotal'  '11'
                                            'date'  '2016'
                                        'comments'  ''
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                                             'bpm'  '135.5'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

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'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-psych'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         'Cricket and the Genie (Movement I, The Delirium)'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Claypool Lennon Delirium'
'TPE2' (Band/orchestra/accompaniment)               'The Claypool Lennon Delirium'
'TPUB' (Publisher)                                  'ATO Records'
'TRCK' (Track number/Position in set)               '2/11'
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'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['progressive rock', 'experimental', 'psychedelic rock', 'psychedelic', 'usa']
'TXXX:q-bass'                                       '4'
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'TXXX:q-drums'                                      '3'
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'TXXX:q-mixbeat'                                    '1'
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'TXXX:q-piano'                                      '1'
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'TXXX:replaygain_track_gain'                        '-1.25 dB'
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========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/The Claypool Lennon Delirium - Monolith Of Phobos [2016]/02 - Cricket And The Genie (movement I, The Delirium).mp3
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                                    'duration_sec'  232
                                           'genre'  electronic-experimental-psych
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                                           'mtime'  1621706566
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                                        'rest_str'   00exnnpjpsprgttidm Of [2016] 02 And (movement electronic experimental psych
                                      'tag_artist'  The Claypool Lennon Delirium
                                     'tag_release'  Monolith of Phobos
                                       'tag_title'  Cricket and the Genie (Movement I, The Delirium)
                                             'bpm'  135.5
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                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['progressive rock', 'experimental', 'psychedelic rock', 'psychedelic', 'usa']
                                        'tag_date'  2016
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1621706566.272006  (2021-05-22 20:02:46)
                             'size'  8108879