======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '213'
                                          'artist'  'The Streets'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'OMG (Knocks Remix)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'hip hop', 'british', 'rap']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '96.760'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 00000D68 00000CE3 00007943 000056E9 00009978 0002F84E 00008AFD 00008B17 '
 '0002420F 0001A468')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 0000090B 00000000008FF065 00000000 00827800 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TBPM' (BPM (beats per minute))                     '96.760'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TENC' (Encoded by)                                 'iTunes 10.2.1'
'TIT2' (Title/songname/content description)         'OMG (Knocks Remix)'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Streets'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['indie', 'hip hop', 'british', 'rap']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+14.90 dB'
'TXXX:replaygain_track_peak'                        '0.081351'

========================== row from database ==========================
                                              'id'  1344092
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/OMG (Knocks Remix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  213
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  8560906
                                           'mtime'  1620572922
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] hip hop or rnb or rap or turntablism
                                      'tag_artist'  The Streets
                                     'tag_release'  None
                                       'tag_title'  OMG (Knocks Remix)
                                             'bpm'  96.76
                                    'search_title'  'knocks':2,3 'omg':1 'remix':4,5
                                   'search_artist'  'streets':2 'the':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'files':5,6 'hip':7 'hop':8 'loose':3,4 'or':9 'rap':11 'rnb':10 'turntablism':12 'unsorted':2
                                    'search_combo'  '00poprockelectronic':8 'files':12,13 'hip':14 'hop':15 'knocks':2A,3A 'loose':10,11 'omg':1A 'or':16 'rap':18 'remix':4A,5A 'rnb':17 'streets':7B 'the':6B 'turntablism':19 'unsorted':9
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'hip hop', 'british', 'rap']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620572922.1271985  (2021-05-09 17:08:42)
                             'size'  8560906