======================== unified (from filesystem) ========================
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                                         'release'  'Portal 2 Soundtrack: Songs to Test By'
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                                      'lastfmtags'  ("['instrumental', 'soundtrack', 'portal', 'ambient', 'electronic', "
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                                     'discogstags'  "['soundtrack', 'stage & screen']"
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                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  '18'
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'soundtrack-game;electronic'
                                             'bpm'  '141.8'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '141.8'
'TCOM' (Composer)                                   'Aperture Science'
'TCON' (Content type, a.k.a. Genre)                 ['soundtrack-game', 'electronic']
'TDOR' (Original release time)                      '2011'
'TDRC' (Recording time)                             '2011-09-30'
'TENC' (Encoded by)                                 'iTunes 10.2'
'TIT2' (Title/songname/content description)         'Music of the Spheres 2 (Incendiary Lemons)'
'TKEY' (Initial key)                                '12A'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Aperture Science Psychoacoustics Laboratory'
'TPE2' (Band/orchestra/accompaniment)               'Aperture Science Psychoacoustics Laboratory'
'TPOS' (Part of a set)                              '2/3'
'TPUB' (Publisher)                                  'Valve'
'TRCK' (Track number/Position in set)               '18/18'
'TSO2'                                              'Aperture Science Psychoacoustics Laboratory'
'TSOP' (Performer sort order)                       'Aperture Science Psychoacoustics Laboratory'
'TSRC' (ISRC (international standard recording code))  'USA561361582'
'TSST' (Set subtitle)                               'Volume 2'
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'TXXX:MusicBrainz Album Type'                       'soundtrack'
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'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['soundtrack', 'stage & screen']
'TXXX:lastfmtags'                                   ['instrumental',
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 'portal',
 'ambient',
 'electronic',
 'experimental']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
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'TXXX:q-piano'                                      '1'
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'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+6.06 dB'
'TXXX:replaygain_track_peak'                        '0.187783'
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========================== row from database ==========================
                                              'id'  855552
                                            'path'  /data/Music/Bulk/0soundtrack/Aperture Science Psychoacoustics Laboratory - 2011 - Portal 2 Soundtrack- Songs to Test By/2.18 - Aperture Science Psychoacoustics Laboratory - Music of the Spheres 2 (Incendiary Lemons).mp3
                                         'working'  None
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                                    'duration_sec'  163
                                           'genre'  soundtrack-game;electronic
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                                           'mtime'  1636914565
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                                     'tag_release'  Portal 2 Soundtrack: Songs to Test By
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                                             'bpm'  141.8
                                    'search_title'  '2':5 'incendiary':6,7 'lemons':8,9 'music':1 'of':2 'spheres':4 'the':3
                                   'search_artist'  'aperture':1 'laboratory':4 'psychoacoustics':3 'science':2
                                  'search_release'  '2':2 'by':8 'portal':1 'songs':5 'soundtrack':3,4 'test':7 'to':6
                                     'search_rest'  '0soundtrack':1 '18':4 '2':3 '2011':2 '218':5 'electronic':8,10 'game':7,9 'soundtrack':6
                                    'search_combo'  '0soundtrack':22 '18':25 '2':5A,15C,24 '2011':23 '218':26 'aperture':10B 'by':21C 'electronic':29,31 'game':28,30 'incendiary':6A,7A 'laboratory':13B 'lemons':8A,9A 'music':1A 'of':2A 'portal':14C 'psychoacoustics':12B 'science':11B 'songs':18C 'soundtrack':16C,17C,27 'spheres':4A 'test':20C 'the':3A 'to':19C
                                    'tag_tracknum'  18
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'soundtrack', 'portal', 'ambient', 'electronic', 'experimental']
                                        'tag_date'  2011
                                     'discogstags'  ['soundtrack', 'stage & screen']

============================== file details ==============================
                                           'mtime'  1636914565.2466953  (2021-11-14 19:29:25)
                             'size'  6550641