======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '329'
                                          'artist'  'Prodigy'
                                     'text_people'  ''
                                         'release'  'White Label (Unknown)'
                                           'title'  'No Good (Remix)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['rave', 'electronic', 'hip hop', 'big beat', 'rap']"
                                     'discogstags'  "['hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-th-breakbeat or dnb or jungle'
                                             'bpm'  '113.964'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'White Label (Unknown)'
'TBPM' (BPM (beats per minute))                     '113.964'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-breakbeat or dnb or jungle'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'No Good (Remix)'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Prodigy'
'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:discogstags'                                  'hip hop'
'TXXX:lastfmtags'                                   ['rave', 'electronic', 'hip hop', 'big beat', 'rap']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.14 dB'
'TXXX:replaygain_track_peak'                        '0.569726'

========================== row from database ==========================
                                              'id'  1344581
                                            'path'  /data/Music/Bulk/00poprockelectronic/00dnb/Prodigy/No Good (Remix).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  329
                                           'genre'  electronic-th-breakbeat or dnb or jungle
                                        'filesize'  7910796
                                           'mtime'  1642081844
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00dnb electronic th breakbeat or dnb or jungle
                                      'tag_artist'  Prodigy
                                     'tag_release'  White Label (Unknown)
                                       'tag_title'  No Good (Remix)
                                             'bpm'  113.964
                                    'search_title'  'good':2 'no':1 'remix':3,4
                                   'search_artist'  'prodigy':1
                                  'search_release'  'label':2 'unknown':3,4 'white':1
                                     'search_rest'  '00dnb':2 '00poprockelectronic':1 'breakbeat':5 'dnb':7 'electronic':3 'jungle':8 'or':6 'th':4
                                    'search_combo'  '00dnb':11 '00poprockelectronic':10 'breakbeat':14 'dnb':16 'electronic':12 'good':2A 'jungle':17 'label':7C 'no':1A 'or':15 'prodigy':5B 'remix':3A,4A 'th':13 'unknown':8C,9C 'white':6C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-4', 'q-play-3', 'q-chart-4', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']
                                      'lastfmtags'  ['rave', 'electronic', 'hip hop', 'big beat', 'rap']
                                        'tag_date'  2001
                                     'discogstags'  ['hip hop']

============================== file details ==============================
                                           'mtime'  1642081844.2277586  (2022-01-13 14:50:44)
                             'size'  7910796