======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '370'
                                          'artist'  'Alt-J'
                                     'text_people'  ''
                                         'release'  'Something Good (Thomas Jack Edit)'
                                           'title'  'Something Good (Thomas Jack//Edit) '
                                           'quals'  ("['Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-UNU-1', "
 "'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-3']")
                                      'lastfmtags'  "['indie', 'indie pop', 'alternative', 'electronic', 'british']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '118.152'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         ['0',
 ' 000008E2 00000947 00006359 0000769E 000494D0 00013CB0 00008B35 00008C71 '
 '00039990 0004A1C0',
 ' 00000000 00000210 00000828 00000000010F1EC8 00000000 00E1D980 00000000 '
 '00000000 00000000 00000000 00000000 00000000']
'COMM:ID3v1 Comment:XXX'                            '0'
'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=196, count=0)
'TALB' (Album/Movie/Show title)                     'Something Good (Thomas Jack Edit)'
'TBPM' (BPM (beats per minute))                     '118.152'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '2013'
'TENC' (Encoded by)                                 'iTunes 11.0.3'
'TIT2' (Title/songname/content description)         'Something Good (Thomas Jack//Edit) '
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Alt-J'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['indie', 'indie pop', 'alternative', 'electronic', 'british']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'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'                        '-0.91 dB'
'TXXX:replaygain_track_peak'                        '0.477532'

========================== row from database ==========================
                                              'id'  1307711
                                            'path'  /data/Music/Bulk/00poprockelectronic/set/Alt-J - Something Good (Thomas Jack Edit).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  370
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  14822842
                                           'mtime'  1620573852
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic set electronic generic or radio dance
                                      'tag_artist'  Alt-J
                                     'tag_release'  Something Good (Thomas Jack Edit)
                                       'tag_title'  Something Good (Thomas Jack//Edit) 
                                             'bpm'  118.152
                                    'search_title'  'edit':6 'good':2 'jack':5 'jackedit':7 'something':1 'thomas':3,4
                                   'search_artist'  'alt':1 'altj':3 'j':2
                                  'search_release'  'edit':6,7 'good':2 'jack':5 'something':1 'thomas':3,4
                                     'search_rest'  '00poprockelectronic':1 'dance':7 'electronic':3 'generic':4 'or':5 'radio':6 'set':2
                                    'search_combo'  '00poprockelectronic':18 'alt':8B 'altj':10B 'dance':24 'edit':6A,16C,17C 'electronic':20 'generic':21 'good':2A,12C 'j':9B 'jack':5A,15C 'jackedit':7A 'or':22 'radio':23 'set':19 'something':1A,11C 'thomas':3A,4A,13C,14C
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  9B
                                           '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-4', 'q-syn-3', 'q-chart-3', 'q-other-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'indie pop', 'alternative', 'electronic', 'british']
                                        'tag_date'  2013
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620573851.8395946  (2021-05-09 17:24:11)
                             'size'  14822842