======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '265'
                                          'artist'  'Shonen Knife'
                                     'text_people'  ''
                                         'release'  'Brand New Knife'
                                           'title'  'Tower of the Sun'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['japanese', 'punk', 'j-rock', 'rock', 'female vocalists']"
                                     'discogstags'  "['rock', 'pop rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '20'
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jrock;rock-gr-punk-pop'
                                             'bpm'  '136'
                                             'key'  '12B'
                                        'acoustid'  'c1d692d4-d8c6-4cec-8c98-31792ca9a2cf'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Brand New Knife'
'TBPM' (BPM (beats per minute))                     '136'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jrock', 'rock-gr-punk-pop']
'TDOR' (Original release time)                      '1996'
'TDRC' (Recording time)                             '1997-04-18'
'TIT2' (Title/songname/content description)         'Tower of the Sun'
'TKEY' (Initial key)                                '12B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Shonen Knife'
'TPE2' (Band/orchestra/accompaniment)               'Shonen Knife'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Big Deal Records'
'TRCK' (Track number/Position in set)               '9/20'
'TSO2'                                              'Shonen Knife'
'TSOP' (Performer sort order)                       'Shonen Knife'
'TXXX:ASIN'                                         'B000000ICJ'
'TXXX:Acoustid Id'                                  'c1d692d4-d8c6-4cec-8c98-31792ca9a2cf'
'TXXX:Artists'                                      'Shonen Knife'
'TXXX:BARCODE'                                      '017046903523'
'TXXX:CATALOGNUMBER'                                'BGD 9035-2'
'TXXX:MusicBrainz Album Artist Id'                  '5089b746-7612-4a13-9153-33ff2560e161'
'TXXX:MusicBrainz Album Id'                         '7ee4ea24-f52e-4f9f-abaf-c9696c125d4d'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '5089b746-7612-4a13-9153-33ff2560e161'
'TXXX:MusicBrainz Release Group Id'                 '317fd0db-eacd-3e03-a7e1-4c9a363b96c9'
'TXXX:MusicBrainz Release Track Id'                 '69705952-3be0-37fc-aa05-03bac99f4457'
'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:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['rock', 'pop rock']
'TXXX:lastfmtags'                                   ['japanese', 'punk', 'j-rock', 'rock', 'female vocalists']
'TXXX:originalyear'                                 '1996'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.09 dB'
'TXXX:replaygain_track_peak'                        '0.504422'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'3cad5dcb-7180-4c72-8923-95a0ad1e1861')

========================== row from database ==========================
                                              'id'  929937
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Shonen Knife/1997 - Brand New Knife/09-Tower Of The Sun.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  265
                                           'genre'  loc-asia-japan;loc-asia-japan-jrock;rock-gr-punk-pop
                                        'filesize'  4270756
                                           'mtime'  1621489115
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia 1997 09 Of The loc asia japan;loc asia japan jrock;rock gr punk pop
                                      'tag_artist'  Shonen Knife
                                     'tag_release'  Brand New Knife
                                       'tag_title'  Tower of the Sun
                                             'bpm'  136.0
                                    'search_title'  'of':2 'sun':4 'the':3 'tower':1
                                   'search_artist'  'knife':2 'shonen':1
                                  'search_release'  'brand':1 'knife':3 'new':2
                                     'search_rest'  '00asia':1 '1997':2 'asia':6 'gr':16 'japan':7,9,11 'jrock':12,14 'loc':5,8,10 'of':3 'pop':18 'punk':17 'rock':13,15 'the':4
                                    'search_combo'  '00asia':10 '1997':11 'asia':15 'brand':7C 'gr':25 'japan':16,18,20 'jrock':21,23 'knife':6B,9C 'loc':14,17,19 'new':8C 'of':2A,12 'pop':27 'punk':26 'rock':22,24 'shonen':5B 'sun':4A 'the':3A,13 'tower':1A
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['japanese', 'punk', 'j-rock', 'rock', 'female vocalists']
                                        'tag_date'  1997
                                     'discogstags'  ['rock', 'pop rock']

============================== file details ==============================
                                           'mtime'  1621489114.903017  (2021-05-20 07:38:34)
                             'size'  4270756