======================== unified (from filesystem) ========================
                                         'bitrate'  '199.463'
                                        'duration'  '217'
                                          'artist'  'Kula Shaker'
                                     'text_people'  ''
                                         'release'  'Strangefolk'
                                           'title'  "Ol' Jack Tar"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'alternative', 'britpop', 'psychedelic rock', 'rock']"
                                     'discogstags'  "['rock', 'folk rock', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '13'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '92.645'
                                             'key'  '2B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 0000095F 000009A5 00002293'
'COMM:iTunNORM:eng'                                 (' 0000095F 000009A5 00002293 00001EAF 000181A8 0002692F 00008000 00008000 '
 '0001CEAF 0001CEAF')
'TALB' (Album/Movie/Show title)                     'Strangefolk'
'TBPM' (BPM (beats per minute))                     '92.645'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TDRC' (Recording time)                             '2007'
'TENC' (Encoded by)                                 'LAME 3.90.3 Modded'
'TIT2' (Title/songname/content description)         "Ol' Jack Tar"
'TKEY' (Initial key)                                '2B'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Kula Shaker'
'TPE2' (Band/orchestra/accompaniment)               'Kula Shaker'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '10/13'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'folk rock', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'alternative', 'britpop', 'psychedelic rock', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.20 dB'
'TXXX:replaygain_track_peak'                        '0.468022'

========================== row from database ==========================
                                              'id'  1496443
                                            'path'  /data/Music/Bulk/00poprockelectronic/Kula Shaker/Strangefolk/10 - Ol_ Jack Tar.mp3
                                         'working'  None
                                         'bitrate'  199
                                    'duration_sec'  217
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  5417080
                                           'mtime'  1620737426
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 10 Ol_ rock cppex psychedelic
                                      'tag_artist'  Kula Shaker
                                     'tag_release'  Strangefolk
                                       'tag_title'  Ol' Jack Tar
                                             'bpm'  92.645
                                    'search_title'  'jack':3 'ol':1,2 'tar':4
                                   'search_artist'  'kula':1 'shaker':2
                                  'search_release'  'strangefolk':1
                                     'search_rest'  '00poprockelectronic':1 'cppex':4 'ol':2 'psychedelic':5 'rock':3
                                    'search_combo'  '00poprockelectronic':8 'cppex':11 'jack':3A 'kula':5B 'ol':1A,2A,9 'psychedelic':12 'rock':10 'shaker':6B 'strangefolk':7C 'tar':4A
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  2B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'britpop', 'psychedelic rock', 'rock']
                                        'tag_date'  2007
                                     'discogstags'  ['rock', 'folk rock', 'indie rock']

============================== file details ==============================
                                           'mtime'  1620737425.5031471  (2021-05-11 14:50:25)
                             'size'  5417080