======================== unified (from filesystem) ========================
                                         'bitrate'  '203.777'
                                        'duration'  '290'
                                          'artist'  'The Prodigy'
                                     'text_people'  ''
                                         'release'  'Invaders Must Die (Deluxe Edition)'
                                           'title'  "World's On Fire"
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['industrial', 'dance', 'techno', 'electronic', 'electronica']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '143.011'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Invaders Must Die (Deluxe Edition)'
'TBPM' (BPM (beats per minute))                     '143.011'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDRC' (Recording time)                             '2009'
'TENC' (Encoded by)                                 'LAME 3.97 V2: preset standard'
'TIT2' (Title/songname/content description)         "World's On Fire"
'TKEY' (Initial key)                                '1A'
'TLAN' (Language(s))                                'German'
'TPE1' (Lead performer(s)/Soloist(s))               'The Prodigy'
'TPE2' (Band/orchestra/accompaniment)               'The Prodigy'
'TRCK' (Track number/Position in set)               '9'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['industrial', 'dance', 'techno', 'electronic', 'electronica']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.62 dB'
'TXXX:replaygain_track_peak'                        '0.418399'

========================== row from database ==========================
                                              'id'  1510461
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/Prodigy/the prodigy - world_s on fire.mp3
                                         'working'  None
                                         'bitrate'  203
                                    'duration_sec'  290
                                           'genre'  electronic-th-techno
                                        'filesize'  7403328
                                           'mtime'  1620572485
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted the prodigy world_s fire electronic th techno
                                      'tag_artist'  The Prodigy
                                     'tag_release'  Invaders Must Die (Deluxe Edition)
                                       'tag_title'  World's On Fire
                                             'bpm'  143.011
                                    'search_title'  'fire':5 'on':4 's':2 'world':1 'worlds':3
                                   'search_artist'  'prodigy':2 'the':1
                                  'search_release'  'deluxe':4,5 'die':3 'edition':6,7 'invaders':1 'must':2
                                     'search_rest'  '00poprockelectronic':1 'electronic':8 'fire':7 'prodigy':4 's':6 'techno':10 'th':9 'the':3 'unsorted':2 'world':5
                                    'search_combo'  '00poprockelectronic':15 'deluxe':11C,12C 'die':10C 'edition':13C,14C 'electronic':22 'fire':5A,21 'invaders':8C 'must':9C 'on':4A 'prodigy':7B,18 's':2A,20 'techno':24 'th':23 'the':6B,17 'unsorted':16 'world':1A,19 'worlds':3A
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  1A
                                           '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-4', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['industrial', 'dance', 'techno', 'electronic', 'electronica']
                                        'tag_date'  2009
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620572484.787376  (2021-05-09 17:01:24)
                             'size'  7403328