======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '325'
                                          'artist'  'Guniw Tools'
                                     'text_people'  ''
                                         'release'  "Guniw 2000's Best"
                                           'title'  'Hush And Cool'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['visual kei', 'j rock', 'japanese', 'experimental', 'angura kei']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '205'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan'
                                             'bpm'  '142.508'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Guniw 2000's Best"
'TBPM' (BPM (beats per minute))                     '142.508'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-japan'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Hush And Cool'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Guniw Tools'
'TRCK' (Track number/Position in set)               '205'
'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'                                  'rock'
'TXXX:lastfmtags'                                   ['visual kei', 'j rock', 'japanese', 'experimental', 'angura kei']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.23 dB'
'TXXX:replaygain_track_peak'                        '0.519305'

========================== row from database ==========================
                                              'id'  1397953
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Guniw Tools - (2000.11.22) (album) Guniw 2000Ls Best [192kbps]/205 - Hush And Cool.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  325
                                           'genre'  loc-asia-japan
                                        'filesize'  7806976
                                           'mtime'  1622821573
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia (2000.11.22) (album) 2000Ls [192kbps] 205 loc asia japan
                                      'tag_artist'  Guniw Tools
                                     'tag_release'  Guniw 2000's Best
                                       'tag_title'  Hush And Cool
                                             'bpm'  142.508
                                    'search_title'  'and':2 'cool':3 'hush':1
                                   'search_artist'  'guniw':1 'tools':2
                                  'search_release'  '2000':2 '2000s':4 'best':5 'guniw':1 's':3
                                     'search_rest'  '00asia':1 '11':3 '192kbps':9,10 '2000':2 '20001122':5 '2000ls':8 '205':11 '22':4 'album':6,7 'asia':13 'japan':14 'loc':12
                                    'search_combo'  '00asia':11 '11':13 '192kbps':19,20 '2000':7C,12 '20001122':15 '2000ls':18 '2000s':9C '205':21 '22':14 'album':16,17 'and':2A 'asia':23 'best':10C 'cool':3A 'guniw':4B,6C 'hush':1A 'japan':24 'loc':22 's':8C 'tools':5B
                                    'tag_tracknum'  205
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['visual kei', 'j rock', 'japanese', 'experimental', 'angura kei']
                                        'tag_date'  2001
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1622821573.1205394  (2021-06-04 17:46:13)
                             'size'  7806976