======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '476'
                                          'artist'  'Tone Of Arc'
                                     'text_people'  ''
                                         'release'  'Beatport: Closing Tracks April 2016 (Indie Dance / Nu Disco)'
                                           'title'  'Shutters Are Shaking (DJ Edit)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['dead seal', 'house', 'electronic', 'indie dance', 'trance']"
                                     'discogstags'  "['house', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '120.01'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Beatport: Closing Tracks April 2016 (Indie Dance / Nu Disco)'
'TBPM' (BPM (beats per minute))                     '120.01'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         'Shutters Are Shaking (DJ Edit)'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Tone Of Arc'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['house', 'electronic']
'TXXX:lastfmtags'                                   ['dead seal', 'house', 'electronic', 'indie dance', 'trance']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.14 dB'
'TXXX:replaygain_track_peak'                        '0.450974'
'WOAF' (Official audio file webpage)                WOAF(url='http://www.beatport.com/track/shutters-are-shaking-dj-edit/7737137')
'WPUB' (Publishers official webpage)                WPUB(url='http://www.beatport.com/label/om-records/351')

========================== row from database ==========================
                                              'id'  1341988
                                            'path'  /data/Music/Bulk/00poprockelectronic/Marvin & Guy - 2015-2016/Tone Of Arc - Shutters Are Shaking (DJ Edit).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  476
                                           'genre'  electronic-unsorted
                                        'filesize'  19081088
                                           'mtime'  1621696400
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Marvin & Guy 2015 electronic unsorted
                                      'tag_artist'  Tone Of Arc
                                     'tag_release'  Beatport: Closing Tracks April 2016 (Indie Dance / Nu Disco)
                                       'tag_title'  Shutters Are Shaking (DJ Edit)
                                             'bpm'  120.01
                                    'search_title'  'are':2 'dj':4,5 'edit':6,7 'shaking':3 'shutters':1
                                   'search_artist'  'arc':3 'of':2 'tone':1
                                  'search_release'  '2016':6 'april':5 'beatport':1,2 'closing':3 'dance':9 'disco':11,12 'indie':7,8 'nu':10 'tracks':4
                                     'search_rest'  '00poprockelectronic':1 '2015':4 'electronic':5 'guy':3 'marvin':2 'unsorted':6
                                    'search_combo'  '00poprockelectronic':23 '2015':26 '2016':16C 'april':15C 'arc':10B 'are':2A 'beatport':11C,12C 'closing':13C 'dance':19C 'disco':21C,22C 'dj':4A,5A 'edit':6A,7A 'electronic':27 'guy':25 'indie':17C,18C 'marvin':24 'nu':20C 'of':9B 'shaking':3A 'shutters':1A 'tone':8B 'tracks':14C 'unsorted':28
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dead seal', 'house', 'electronic', 'indie dance', 'trance']
                                        'tag_date'  2016
                                     'discogstags'  ['house', 'electronic']

============================== file details ==============================
                                           'mtime'  1621696400.217048  (2021-05-22 17:13:20)
                             'size'  19081088