======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '350'
                                          'artist'  'A Forest Mighty Black'
                                     'text_people'  ''
                                         'release'  'Mellowdramatic (Remixed)'
                                           'title'  'Everything (Freakniks remix)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-2', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['best of down tempo', 'acid jazz', 'downtempo', 'smooth lounge', 'chillout']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '103.378'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000528 00000476 00002609'
'COMM:iTunNORM:eng'                                 (' 00000528 00000476 00002609 00002099 0003D0D5 0003D0D5 00008000 00008000 '
 '0003D0D5 00035BA5')
'TALB' (Album/Movie/Show title)                     'Mellowdramatic (Remixed)'
'TBPM' (BPM (beats per minute))                     '103.378'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDOR' (Original release time)                      '1999'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Everything (Freakniks remix)'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'A Forest Mighty Black'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['best of down tempo', 'acid jazz', 'downtempo', 'smooth lounge', 'chillout']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                        '-2.80 dB'
'TXXX:replaygain_track_peak'                        '0.656074'

========================== row from database ==========================
                                              'id'  769433
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/A Forest Mighty Black - EVERYTHING (Freakniks remix).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  350
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  8435538
                                           'mtime'  1620586643
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism EVERYTHING hip hop rnb rap turntablism
                                      'tag_artist'  A Forest Mighty Black
                                     'tag_release'  Mellowdramatic (Remixed)
                                       'tag_title'  Everything (Freakniks remix)
                                             'bpm'  103.378
                                    'search_title'  'everything':1 'freakniks':2,3 'remix':4,5
                                   'search_artist'  'a':1 'black':4 'forest':2 'mighty':3
                                  'search_release'  'mellowdramatic':1 'remixed':2,3
                                     'search_rest'  'everything':5 'hip':6 'hiphop':1 'hop':7 'rap':2 'rnb':3 'turntablism':4
                                    'search_combo'  'a':6B 'black':9B 'everything':1A,17 'forest':7B 'freakniks':2A,3A 'hip':18 'hiphop':13 'hop':19 'mellowdramatic':10C 'mighty':8B 'rap':14 'remix':4A,5A 'remixed':11C,12C 'rnb':15 'turntablism':16
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['best of down tempo', 'acid jazz', 'downtempo', 'smooth lounge', 'chillout']
                                        'tag_date'  1999
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620586643.289979  (2021-05-09 20:57:23)
                             'size'  8435538