======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '133'
                                          'artist'  'Shonen Knife'
                                     'text_people'  ''
                                         'release'  "Let's Knife"
                                           'title'  'Devil House (Edit)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['japanese', 'punk', 'j-rock', 'rock', 'female vocalists']"
                                     'discogstags'  "['rock', 'alternative rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jrock;rock-gr-punk-pop'
                                             'bpm'  '106.981'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Let's Knife"
'TBPM' (BPM (beats per minute))                     '106.981'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jrock', 'rock-gr-punk-pop']
'TDRC' (Recording time)                             '1993'
'TIT2' (Title/songname/content description)         'Devil House (Edit)'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Shonen Knife'
'TRCK' (Track number/Position in set)               '13'
'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', 'alternative rock']
'TXXX:lastfmtags'                                   ['japanese', 'punk', 'j-rock', 'rock', 'female vocalists']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.49 dB'
'TXXX:replaygain_track_peak'                        '0.566815'

========================== row from database ==========================
                                              'id'  1523249
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Shonen Knife/1992 - Let_s Knife/13-Devil House (Edit).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  133
                                           'genre'  loc-asia-japan;loc-asia-japan-jrock;rock-gr-punk-pop
                                        'filesize'  3209613
                                           'mtime'  1621489121
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia 1992 Let_s 13 loc asia japan;loc asia japan jrock;rock gr punk pop
                                      'tag_artist'  Shonen Knife
                                     'tag_release'  Let's Knife
                                       'tag_title'  Devil House (Edit)
                                             'bpm'  106.981
                                    'search_title'  'devil':1 'edit':3,4 'house':2
                                   'search_artist'  'knife':2 'shonen':1
                                  'search_release'  'knife':4 'let':1 'lets':3 's':2
                                     'search_rest'  '00asia':1 '1992':2 'asia':6 'gr':16 'japan':7,9,11 'jrock':12,14 'let':3 'loc':5,8,10 'pop':18 'punk':17 'rock':13,15 's':4
                                    'search_combo'  '00asia':11 '1992':12 'asia':16 'devil':1A 'edit':3A,4A 'gr':26 'house':2A 'japan':17,19,21 'jrock':22,24 'knife':6B,10C 'let':7C,13 'lets':9C 'loc':15,18,20 'pop':28 'punk':27 'rock':23,25 's':8C,14 'shonen':5B
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['japanese', 'punk', 'j-rock', 'rock', 'female vocalists']
                                        'tag_date'  1993
                                     'discogstags'  ['rock', 'alternative rock']

============================== file details ==============================
                                           'mtime'  1621489121.395008  (2021-05-20 07:38:41)
                             'size'  3209613