======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '257'
                                          'artist'  'DJ Shadow'
                                     'text_people'  ''
                                         'release'  'High Noon'
                                           'title'  "Devil's Advocate (Heaven V. He"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'electronic', 'trip hop', 'hip hop', 'turntablism']"
                                     'discogstags'  "['hip hop', 'instrumental', 'cut-up/dj']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '137.852'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'High Noon'
'TBPM' (BPM (beats per minute))                     '137.852'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         "Devil's Advocate (Heaven V. He"
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'DJ Shadow'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['hip hop', 'instrumental', 'cut-up/dj']
'TXXX:lastfmtags'                                   ['electronica', 'electronic', 'trip hop', 'hip hop', 'turntablism']
'TXXX:original release date'                        ['1997', '1997']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.81 dB'
'TXXX:replaygain_track_peak'                        '0.526408'

========================== row from database ==========================
                                              'id'  1351763
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/DJ Shadow/MBZ;#DJ Shadow;#High Noon;#03;#Devils Advocate (Heaven v Hell - Bonus Beat).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  257
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  4118079
                                           'mtime'  1636910405
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip MBZ;#DJ Shadow;#High Noon;#03;#Devils Hell Bonus Beat) electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  DJ Shadow
                                     'tag_release'  High Noon
                                       'tag_title'  Devil's Advocate (Heaven V. He
                                             'bpm'  137.852
                                    'search_title'  'advocate':4 'devil':1 'devils':3 'he':9 'heaven':5,6 's':2 'v':7,8
                                   'search_artist'  'dj':1 'shadow':2
                                  'search_release'  'high':1 'noon':2
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 '03':12,15 'acid':26 'beat':19,20 'bonus':18 'devils':13,16 'dj':4,6 'downtempo':25 'electronic':21 'hell':17 'high':8,10 'hop':23 'jazz':27 'mbz':3,5 'noon':11,14 'or':24 'shadow':7,9 'trip':22
                                    'search_combo'  '00poprockelectronic':14 '00trip':15 '03':25,28 'acid':39 'advocate':4A 'beat':32,33 'bonus':31 'devil':1A 'devils':3A,26,29 'dj':10B,17,19 'downtempo':38 'electronic':34 'he':9A 'heaven':5A,6A 'hell':30 'high':12C,21,23 'hop':36 'jazz':40 'mbz':16,18 'noon':13C,24,27 'or':37 's':2A 'shadow':11B,20,22 'trip':35 'v':7A,8A
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'electronic', 'trip hop', 'hip hop', 'turntablism']
                                        'tag_date'  1997
                                     'discogstags'  ['hip hop', 'instrumental', 'cut-up/dj']

============================== file details ==============================
                                           'mtime'  1636910404.6736026  (2021-11-14 18:20:04)
                             'size'  4118079