======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '36'
                                          'artist'  'M.I.A.'
                                     'text_people'  ''
                                         'release'  'Arular'
                                           'title'  'Banana Skit'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'female vocalists', 'indie', 'electronic', 'hip hop']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '13'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '138.040'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00000E35 00000CFC 00006A69 000068F1 00004372 0000433E 00008FCD 00009010 '
 '00002A8D 00002A8D')
'COMM:iTunes_CDDB_1:eng'                            'CC09D20D+188753+13+150+2919+19812+36851+51546+67203+70212+89461+103894+122049+124264+142412+155581'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '1'
'TALB' (Album/Movie/Show title)                     'Arular'
'TBPM' (BPM (beats per minute))                     '138.040'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2005'
'TENC' (Encoded by)                                 'iTunes v4.7.1.30'
'TIT2' (Title/songname/content description)         'Banana Skit'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'M.I.A.'
'TRCK' (Track number/Position in set)               '1/13'
'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:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['dance', 'female vocalists', 'indie', 'electronic', 'hip hop']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.41 dB'
'TXXX:replaygain_track_peak'                        '0.490422'

========================== row from database ==========================
                                              'id'  1259590
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/M.I.A. - M.I.A/Arular/01 Banana Skit.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  36
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  889856
                                           'mtime'  1620585504
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism 01 hip hop or rnb or rap or turntablism
                                      'tag_artist'  M.I.A.
                                     'tag_release'  Arular
                                       'tag_title'  Banana Skit
                                             'bpm'  138.04
                                    'search_title'  'banana':1 'skit':2
                                   'search_artist'  'a':3 'i':2 'm':1 'mia':4
                                  'search_release'  'arular':1
                                     'search_rest'  'hip':5 'hiphop':1 'hop':6 'or':7 'rap':2 'rnb':3 'turntablism':4
                                    'search_combo'  'a':5B 'arular':7C 'banana':1A 'hip':12 'hiphop':8 'hop':13 'i':4B 'm':3B 'mia':6B 'or':14 'rap':9 'rnb':10 'skit':2A 'turntablism':11
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-4', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'female vocalists', 'indie', 'electronic', 'hip hop']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620585504.0692348  (2021-05-09 20:38:24)
                             'size'  889856