======================== unified (from filesystem) ========================
                                         'bitrate'  '215.181'
                                        'duration'  '295'
                                          'artist'  'White Lies'
                                     'text_people'  ''
                                         'release'  'ALT RAD DANCE'
                                           'title'  'Death (Chase And Status Remix)'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['indie rock', 'indie', 'post punk', 'british', 'rock', 'alternative']"
                                     'discogstags'  "['electronic', 'downtempo']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '139.658'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 000008A3 00000AC3 0000428D 00'
'COMM:iTunNORM:eng'                                 (' 000008A3 00000AC3 0000428D 00004F1F 0001B6D2 00038451 000057ED 0000608A '
 '00011675 00021D50')
'TALB' (Album/Movie/Show title)                     'ALT RAD DANCE'
'TBPM' (BPM (beats per minute))                     '139.658'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TIT2' (Title/songname/content description)         'Death (Chase And Status Remix)'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'White Lies'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'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'                                  ['electronic', 'downtempo']
'TXXX:lastfmtags'                                   ['indie rock', 'indie', 'post punk', 'british', 'rock', 'alternative']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.50 dB'
'TXXX:replaygain_track_peak'                        '0.448464'

========================== row from database ==========================
                                              'id'  1335047
                                            'path'  /data/Music/Bulk/00poprockelectronic/ALT RAD DANCE/White Lies - Death (Chase And Status Remix).mp3
                                         'working'  None
                                         'bitrate'  215
                                    'duration_sec'  295
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  7954197
                                           'mtime'  1637330361
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic ifs songwriter indie rock
                                      'tag_artist'  White Lies
                                     'tag_release'  ALT RAD DANCE
                                       'tag_title'  Death (Chase And Status Remix)
                                             'bpm'  139.658
                                    'search_title'  'and':4 'chase':2,3 'death':1 'remix':6,7 'status':5
                                   'search_artist'  'lies':2 'white':1
                                  'search_release'  'alt':1 'dance':3 'rad':2
                                     'search_rest'  '00poprockelectronic':1 'ifs':2 'indie':4 'rock':5 'songwriter':3
                                    'search_combo'  '00poprockelectronic':13 'alt':10C 'and':4A 'chase':2A,3A 'dance':12C 'death':1A 'ifs':14 'indie':16 'lies':9B 'rad':11C 'remix':6A,7A 'rock':17 'songwriter':15 'status':5A 'white':8B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie rock', 'indie', 'post punk', 'british', 'rock', 'alternative']
                                        'tag_date'  
                                     'discogstags'  ['electronic', 'downtempo']

============================== file details ==============================
                                           'mtime'  1637330361.418097  (2021-11-19 14:59:21)
                             'size'  7954197