======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '455'
                                          'artist'  'Kasper Bjorke & Urdur'
                                     'text_people'  ''
                                         'release'  'Beatport: Top 100 - May 2016 (Indie Dance / Nu Disco)'
                                           'title'  'Cloud 9 (Marvin & Guy Dub Remix)'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '120.00'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Beatport: Top 100 - May 2016 (Indie Dance / Nu Disco)'
'TBPM' (BPM (beats per minute))                     '120.00'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         'Cloud 9 (Marvin & Guy Dub Remix)'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Kasper Bjorke & Urdur'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.48 dB'
'TXXX:replaygain_track_peak'                        '0.509046'

========================== row from database ==========================
                                              'id'  1305888
                                            'path'  /data/Music/Bulk/00poprockelectronic/Marvin & Guy - 2015-2016/Kasper Bjorke & Urdur - Cloud 9 (Marvin & Guy Dub Remix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  455
                                           'genre'  electronic-unsorted
                                        'filesize'  18235453
                                           'mtime'  1620571044
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 2015 electronic unsorted
                                      'tag_artist'  Kasper Bjorke & Urdur
                                     'tag_release'  Beatport: Top 100 - May 2016 (Indie Dance / Nu Disco)
                                       'tag_title'  Cloud 9 (Marvin & Guy Dub Remix)
                                             'bpm'  120.0
                                    'search_title'  '9':2 'cloud':1 'dub':6 'guy':5 'marvin':3,4 'remix':7,8
                                   'search_artist'  'bjorke':2 'kasper':1 'urdur':3
                                  'search_release'  '100':4 '2016':6 'beatport':1,2 'dance':9 'disco':11,12 'indie':7,8 'may':5 'nu':10 'top':3
                                     'search_rest'  '00poprockelectronic':1 '2015':2 'electronic':3 'unsorted':4
                                    'search_combo'  '00poprockelectronic':24 '100':15C '2015':25 '2016':17C '9':2A 'beatport':12C,13C 'bjorke':10B 'cloud':1A 'dance':20C 'disco':22C,23C 'dub':6A 'electronic':26 'guy':5A 'indie':18C,19C 'kasper':9B 'marvin':3A,4A 'may':16C 'nu':21C 'remix':7A,8A 'top':14C 'unsorted':27 'urdur':11B
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2016
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620571044.0387177  (2021-05-09 16:37:24)
                             'size'  18235453