======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '389'
                                          'artist'  'Dokaka'
                                     'text_people'  ''
                                         'release'  'The Dokaka Discography'
                                           'title'  'Sympathy For My Hair'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-2', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['beatbox', 'a cappella', 'funny shit', 'japanese', 'experimental']"
                                     'discogstags'  "['j-pop', 'electronic', 'pop', 'vocal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '25'
                                      'tracktotal'  '29'
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-a capella'
                                             'bpm'  '87.9'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 0000053F 00000515 00005FB9 000054D0 00002334 00002334 00007FFF 000079B4 '
 '00026E24 0000F1F0')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000008DC 000000000105E814 00000000 00ED77D6 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '29++'
'TALB' (Album/Movie/Show title)                     'The Dokaka Discography'
'TBPM' (BPM (beats per minute))                     '87.9'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-a capella'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Sympathy For My Hair'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Dokaka'
'TPOS' (Part of a set)                              '1/6'
'TRCK' (Track number/Position in set)               '25/29'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['j-pop', 'electronic', 'pop', 'vocal']
'TXXX:lastfmtags'                                   ['beatbox', 'a cappella', 'funny shit', 'japanese', 'experimental']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.23 dB'
'TXXX:replaygain_track_peak'                        '0.594204'

========================== row from database ==========================
                                              'id'  1114669
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/The Dokaka Discography/1-25 Sympathy For My Hair.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  389
                                           'genre'  ifs-songwriter-a capella
                                        'filesize'  15573298
                                           'mtime'  1628356109
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 1 25 ifs songwriter capella
                                      'tag_artist'  Dokaka
                                     'tag_release'  The Dokaka Discography
                                       'tag_title'  Sympathy For My Hair
                                             'bpm'  87.9
                                    'search_title'  'for':2 'hair':4 'my':3 'sympathy':1
                                   'search_artist'  'dokaka':1
                                  'search_release'  'discography':3 'dokaka':2 'the':1
                                     'search_rest'  '1':1 '25':2 'capella':5 'ifs':3 'songwriter':4
                                    'search_combo'  '1':9 '25':10 'capella':13 'discography':8C 'dokaka':5B,7C 'for':2A 'hair':4A 'ifs':11 'my':3A 'songwriter':12 'sympathy':1A 'the':6C
                                    'tag_tracknum'  25
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['beatbox', 'a cappella', 'funny shit', 'japanese', 'experimental']
                                        'tag_date'  2010
                                     'discogstags'  ['j-pop', 'electronic', 'pop', 'vocal']

============================== file details ==============================
                                           'mtime'  1628356109.4427147  (2021-08-07 19:08:29)
                             'size'  15573298