======================== unified (from filesystem) ========================
                                         'bitrate'  '199.047'
                                        'duration'  '163'
                                          'artist'  'Kula Shaker'
                                     'text_people'  ''
                                         'release'  "Pilgrim's Progress"
                                           'title'  'When A Brave Needs A Maid'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'alternative', 'britpop', 'psychedelic rock', 'rock']"
                                     'discogstags'  "['rock', 'blues', 'alternative rock', 'psychedelic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '12'
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '110.967'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Pilgrim's Progress"
'TBPM' (BPM (beats per minute))                     '110.967'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'When A Brave Needs A Maid'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD(LP)'
'TPE1' (Lead performer(s)/Soloist(s))               'Kula Shaker'
'TPUB' (Publisher)                                  'Strangefolk Records'
'TRCK' (Track number/Position in set)               '10/12'
'TXXX:Languages(s)'                                 'eng'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:Release Type'                                 'normal'
'TXXX:Ripping Tool'                                 'EAC'
'TXXX:Uploded'                                      'MJN'
'TXXX:discogstags'                                  ['rock', 'blues', 'alternative rock', 'psychedelic rock']
'TXXX:lastfmtags'                                   ['indie', 'alternative', 'britpop', 'psychedelic rock', 'rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+22.49 dB'
'TXXX:replaygain_track_peak'                        '0.028470'

========================== row from database ==========================
                                              'id'  1530056
                                            'path'  /data/Music/Bulk/00poprockelectronic/Kula Shaker/Pilgrim_s.Progress/10-kula_shakerwhen_a_brave_needs_a_maid.mp3
                                         'working'  None
                                         'bitrate'  199
                                    'duration_sec'  163
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  4081539
                                           'mtime'  1621697452
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Pilgrim_s.Progress 10 kula_shakerwhen_a_brave_needs_a_maid ifs songwriter indie rock
                                      'tag_artist'  Kula Shaker
                                     'tag_release'  Pilgrim's Progress
                                       'tag_title'  When A Brave Needs A Maid
                                             'bpm'  110.967
                                    'search_title'  'a':2 'brave':3 'maid':5 'needs':4 'when':1
                                   'search_artist'  'kula':1 'shaker':2
                                  'search_release'  'pilgrim':1 'pilgrims':3 'progress':4 's':2
                                     'search_rest'  '00poprockelectronic':1 'a':9,12 'brave':10 'ifs':14 'indie':16 'kula':7 'maid':13 'needs':11 'pilgrim':2,5 'progress':4 'rock':17 's':3 'shakerwhen':8 'songwriter':15 'sprogress':6
                                    'search_combo'  '00poprockelectronic':12 'a':2A,20,23 'brave':3A,21 'ifs':25 'indie':27 'kula':6B,18 'maid':5A,24 'needs':4A,22 'pilgrim':8C,13,16 'pilgrims':10C 'progress':11C,15 'rock':28 's':9C,14 'shaker':7B 'shakerwhen':19 'songwriter':26 'sprogress':17 'when':1A
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'britpop', 'psychedelic rock', 'rock']
                                        'tag_date'  2010
                                     'discogstags'  ['rock', 'blues', 'alternative rock', 'psychedelic rock']

============================== file details ==============================
                                           'mtime'  1621697452.4541523  (2021-05-22 17:30:52)
                             'size'  4081539