======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '119'
                                          'artist'  'Mrs. Miller'
                                     'text_people'  ''
                                         'release'  'Reggae Singles'
                                           'title'  'I Never New                                        kuky3'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['funny', 'weird', 'comedy', 'outsider', 'american']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1968'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
                                             'bpm'  '84.738'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00001564 0000150C 0000588A'
'COMM:iTunNORM:eng'                                 (' 00001564 0000150C 0000588A 00005861 000186E5 000186E5 00008000 00008000 '
 '0000755E 0000755E')
'TALB' (Album/Movie/Show title)                     'Reggae Singles'
'TBPM' (BPM (beats per minute))                     '84.738'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
'TDRC' (Recording time)                             '1968'
'TIT2' (Title/songname/content description)         'I Never New                                        kuky3'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Mrs. Miller'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['funny', 'weird', 'comedy', 'outsider', 'american']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.01 dB'
'TXXX:replaygain_track_peak'                        '0.279793'

========================== row from database ==========================
                                              'id'  985412
                                            'path'  /data/Music/Bulk/00localcharacter/reggae singles/Mrs. Miller - I Never Knew [PM-710B] kuky3.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  119
                                           'genre'  loc-style-reggae or dub or ska or dancehall-dub-roots and reggae
                                        'filesize'  2868715
                                           'mtime'  1620524007
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter reggae singles Knew [PM 710B] loc style reggae or dub or ska or dancehall dub roots and reggae
                                      'tag_artist'  Mrs. Miller
                                     'tag_release'  Reggae Singles
                                       'tag_title'  I Never New                                        kuky3
                                             'bpm'  84.738
                                    'search_title'  'i':1 'kuky3':4 'never':2 'new':3
                                   'search_artist'  'miller':3 'mrs':1,2
                                  'search_release'  'reggae':1 'singles':2
                                     'search_rest'  '710b':6,7 'and':15 'dancehall':13 'dub':11 'knew':3 'loc':8 'or':10 'pm':4,5 'reggae':1 'roots':14 'singles':2 'ska':12 'style':9
                                    'search_combo'  '710b':15,16 'and':24 'dancehall':22 'dub':20 'i':1A 'knew':12 'kuky3':4A 'loc':17 'miller':7B 'mrs':5B,6B 'never':2A 'new':3A 'or':19 'pm':13,14 'reggae':8C,10 'roots':23 'singles':9C,11 'ska':21 'style':18
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['funny', 'weird', 'comedy', 'outsider', 'american']
                                        'tag_date'  1968
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620524007.2186773  (2021-05-09 03:33:27)
                             'size'  2868715