======================== unified (from filesystem) ========================
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                                        'duration'  '188'
                                          'artist'  'Melissa Logan & Argumentepanzer'
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                                           'title'  'This is Not C Conspiracy Theory, this is A Conspiracy'
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
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                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '91.4'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Disko Cabine'
'TBPM' (BPM (beats per minute))                     '91.4'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '2005'
'TENC' (Encoded by)                                 'Lame'
'TIT2' (Title/songname/content description)         'This is Not C Conspiracy Theory, this is A Conspiracy'
'TKEY' (Initial key)                                '11A'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Melissa Logan & Argumentepanzer'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '14'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.26 dB'
'TXXX:replaygain_track_peak'                        '0.402882'

========================== row from database ==========================
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                                         'working'  None
                                         'bitrate'  186
                                    'duration_sec'  188
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  4379059
                                           'mtime'  1620609264
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                                        'rest_str'   00poprockelectronic waves disco 00disco italo Jacno Stereo Total disko cabine [2005] 14_melissa_logan_and_argumentepanzer this_is_not_c_conspiracy_theory_this_is_a_conspiracy klf electronic we disco italo
                                      'tag_artist'  Melissa Logan & Argumentepanzer
                                     'tag_release'  Disko Cabine
                                       'tag_title'  This is Not C Conspiracy Theory, this is A Conspiracy
                                             'bpm'  91.4
                                    'search_title'  'a':8 'c':4 'conspiracy':5 'is':2 'not':3 'theory':6,7 'this':1
                                   'search_artist'  'argumentepanzer':3 'logan':2 'melissa':1
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                                    'search_combo'  '00disco':17 '00poprockelectronic':14 '14':26 '2005':24,25 'a':8A,39 'and':29 'argumentepanzer':11B,30 'c':4A,34 'cabine':13C,23 'conspiracy':5A,35,40 'disco':16 'disko':12C,22 'electronic':42 'is':2A,32,38 'italo':18 'jacno':19 'klf':41 'logan':10B,28 'melissa':9B,27 'not':3A,33 'stereo':20 'theory':6A,7A,36 'this':1A,31,37 'total':21 'waves':15 'we':43
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-4', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620609263.7396543  (2021-05-10 03:14:23)
                             'size'  4379059