======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '440'
                                          'artist'  'Kruder & Dorfmeister'
                                     'text_people'  ''
                                         'release'  'The K&D Sessions - Disc 1'
                                           'title'  'Bomb the Bass / Bug Powder Dust'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['lounge', 'downtempo', 'trip hop', 'electronic', 'chillout']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '99.322'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'The K&D Sessions - Disc 1'
'TBPM' (BPM (beats per minute))                     '99.322'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Bomb the Bass / Bug Powder Dust'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Kruder & Dorfmeister'
'TRCK' (Track number/Position in set)               '5'
'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'                                  'electronic'
'TXXX:lastfmtags'                                   ['lounge', 'downtempo', 'trip hop', 'electronic', 'chillout']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.61 dB'
'TXXX:replaygain_track_peak'                        '0.486357'

========================== row from database ==========================
                                              'id'  1302782
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/Kruder & Dorfmeister/The K&D Sessions/Kruder & Dorfmeister - Bug Powder Dust (K&D Session Remix).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  440
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  7058200
                                           'mtime'  1636910645
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip (K&D Remix) electronic trip hop downtempo acid jazz
                                      'tag_artist'  Kruder & Dorfmeister
                                     'tag_release'  The K&D Sessions - Disc 1
                                       'tag_title'  Bomb the Bass / Bug Powder Dust
                                             'bpm'  99.322
                                    'search_title'  'bass':3 'bomb':1 'bug':4 'dust':6 'powder':5 'the':2
                                   'search_artist'  'dorfmeister':2 'kruder':1
                                  'search_release'  '1':7 'd':3 'disc':6 'k':2 'kd':4 'sessions':5 'the':1
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 'acid':12 'd':4 'downtempo':11 'electronic':8 'hop':10 'jazz':13 'k':3 'kd':5 'remix':6,7 'trip':9
                                    'search_combo'  '00poprockelectronic':16 '00trip':17 '1':15C 'acid':27 'bass':3A 'bomb':1A 'bug':4A 'd':11C,19 'disc':14C 'dorfmeister':8B 'downtempo':26 'dust':6A 'electronic':23 'hop':25 'jazz':28 'k':10C,18 'kd':12C,20 'kruder':7B 'powder':5A 'remix':21,22 'sessions':13C 'the':2A,9C 'trip':24
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['lounge', 'downtempo', 'trip hop', 'electronic', 'chillout']
                                        'tag_date'  2001
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636910645.3491206  (2021-11-14 18:24:05)
                             'size'  7058200