======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '257'
                                          'artist'  'Johnny Griffin'
                                     'text_people'  'Ray Noble'
                                         'release'  'radio jazz 13'
                                           'title'  'Cherokee'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'Q-SYN-1', 'Q-BUSY-3', 'Q-GRIT-1', 'Q-PLAY-2', 'q-bass-3', "
 "'Q-CHART-2', 'q-drums-3', 'q-other-3', 'q-piano-2', 'q-vocals-2', "
 "'Q-MIXBEAT-1']")
                                      'lastfmtags'  "['jazz', 'saxophone', 'hard bop', 'bebop', 'tenor sax']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '1956'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '104.7'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.OTHER (Other) b''
                                     
'COMM:iTunes_CDDB_IDs:eng'                          '9+F09A63B9EB315376A256B4B685585812+1483879'
'TALB' (Album/Movie/Show title)                     'radio jazz 13'
'TBPM' (BPM (beats per minute))                     '104.7'
'TCOM' (Composer)                                   'Ray Noble'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1956'
'TENC' (Encoded by)                                 'iTunes v7.6.1.9'
'TIT2' (Title/songname/content description)         'Cherokee'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Johnny Griffin'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '9'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['jazz', 'saxophone', 'hard bop', 'bebop', 'tenor sax']
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-7.16 dB'
'TXXX:replaygain_track_peak'                        '1.036837'

========================== row from database ==========================
                                              'id'  1482021
                                            'path'  /data/Music/Bulk/00poprockelectronic/radio jazz 13/Johnny Griffin - cherokee.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  257
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  8465947
                                           'mtime'  1620541456
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic cherokee prerock jb unsorted
                                      'tag_artist'  Johnny Griffin
                                     'tag_release'  radio jazz 13
                                       'tag_title'  Cherokee
                                             'bpm'  104.7
                                    'search_title'  'cherokee':1
                                   'search_artist'  'griffin':2 'johnny':1
                                  'search_release'  'jazz':2 'radio':1
                                     'search_rest'  '00poprockelectronic':1 'cherokee':2 'jb':4 'prerock':3 'unsorted':5
                                    'search_combo'  '00poprockelectronic':6 'cherokee':1A,7 'griffin':3B 'jazz':5C 'jb':9 'johnny':2B 'prerock':8 'radio':4C 'unsorted':10
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-2', 'Q-MIXBEAT-1', 'Q-OLDST-2', 'Q-GRIT-1', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-CHART-2', 'q-drums-3', 'Q-SYN-1', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-3']
                                      'lastfmtags'  ['jazz', 'saxophone', 'hard bop', 'bebop', 'tenor sax']
                                        'tag_date'  1956
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620541455.5863397  (2021-05-09 08:24:15)
                             'size'  8465947