======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '363'
                                          'artist'  'Gilles Peterson'
                                     'text_people'  ''
                                         'release'  'Desert Island Mix'
                                           'title'  'Breakbeat Terror/Breakbeat Era'
                                           'quals'  ("['Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-UNU-1', "
 "'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-3']")
                                      'lastfmtags'  "['electronic', 'jazz', 'nu jazz', 'acid jazz', 'downtempo', 'chillout']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '136.001'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Desert Island Mix'
'TBPM' (BPM (beats per minute))                     '136.001'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Breakbeat Terror/Breakbeat Era'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Gilles Peterson'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['electronic', 'jazz', 'nu jazz', 'acid jazz', 'downtempo', 'chillout']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.18 dB'
'TXXX:replaygain_track_peak'                        '0.596743'

========================== row from database ==========================
                                              'id'  1456614
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/00mixable/Unsorted/Gilles Peterson__Desert Island Mix__cifsb811.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  363
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  5817928
                                           'mtime'  1620558241
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat 00mixable Unsorted Peterson__Desert Mix__cifsb811 electronic generic radio dance
                                      'tag_artist'  Gilles Peterson
                                     'tag_release'  Desert Island Mix
                                       'tag_title'  Breakbeat Terror/Breakbeat Era
                                             'bpm'  136.001
                                    'search_title'  'breakbeat':1,3 'era':5 'terror':2 'terrorbreakbeat':4
                                   'search_artist'  'gilles':1 'peterson':2
                                  'search_release'  'desert':1 'island':2 'mix':3
                                     'search_rest'  '00mixable':5 '00poprockelectronic':1 'cifsb811':10 'dance':3 'desert':8 'electronic':11 'generic':2 'mix':9 'peterson':7 'radio':12 'trapbeat':4 'unsorted':6
                                    'search_combo'  '00mixable':15 '00poprockelectronic':11 'breakbeat':1A,3A 'cifsb811':20 'dance':13 'desert':8C,18 'electronic':21 'era':5A 'generic':12 'gilles':6B 'island':9C 'mix':10C,19 'peterson':7B,17 'radio':22 'terror':2A 'terrorbreakbeat':4A 'trapbeat':14 'unsorted':16
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'jazz', 'nu jazz', 'acid jazz', 'downtempo', 'chillout']
                                        'tag_date'  1997
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620558240.8325377  (2021-05-09 13:04:00)
                             'size'  5817928