======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '306'
                                          'artist'  'Shonen Knife'
                                     'text_people'  ''
                                         'release'  'Rock Animals'
                                           'title'  'Butterfly Boy'
                                           '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-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'  '3'
                                      'tracktotal'  '11'
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jrock;rock-gr-punk-pop'
                                             'bpm'  '129'
                                             'key'  '12B'
                                        'acoustid'  'f460c28e-8d3d-4e8b-a0c9-9c36652ccabf'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Rock Animals'
'TBPM' (BPM (beats per minute))                     '129'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jrock', 'rock-gr-punk-pop']
'TDOR' (Original release time)                      '1993'
'TDRC' (Recording time)                             '1993-09-08'
'TIT2' (Title/songname/content description)         'Butterfly Boy'
'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)                                  'MCA Victor, Inc.'
'TRCK' (Track number/Position in set)               '3/11'
'TSO2'                                              'Shonen Knife'
'TSOP' (Performer sort order)                       'Shonen Knife'
'TXXX:ASIN'                                         'B00005GRMU'
'TXXX:Acoustid Id'                                  'f460c28e-8d3d-4e8b-a0c9-9c36652ccabf'
'TXXX:Artists'                                      'Shonen Knife'
'TXXX:CATALOGNUMBER'                                'MVCD-8'
'TXXX:MusicBrainz Album Artist Id'                  '5089b746-7612-4a13-9153-33ff2560e161'
'TXXX:MusicBrainz Album Id'                         '3adbb75b-1759-304a-aa8f-54709312efdb'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '5089b746-7612-4a13-9153-33ff2560e161'
'TXXX:MusicBrainz Release Group Id'                 'd1e02f0a-f2e4-31ae-b354-c74db8caa52e'
'TXXX:MusicBrainz Release Track Id'                 '8fe55b73-9ec6-324e-a082-7b576d99fef1'
'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'                                 '1993'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.47 dB'
'TXXX:replaygain_track_peak'                        '0.712284'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'7ae056e2-49a3-4dd2-bf08-fcf2cd5f12e7')

========================== row from database ==========================
                                              'id'  925756
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Shonen Knife/1993 - Rock Animals/03-Butterfly Boy.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  306
                                           'genre'  loc-asia-japan;loc-asia-japan-jrock;rock-gr-punk-pop
                                        'filesize'  4937881
                                           'mtime'  1621489128
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia 1993 03 loc asia japan;loc asia japan jrock;rock gr punk pop
                                      'tag_artist'  Shonen Knife
                                     'tag_release'  Rock Animals
                                       'tag_title'  Butterfly Boy
                                             'bpm'  129.0
                                    'search_title'  'boy':2 'butterfly':1
                                   'search_artist'  'knife':2 'shonen':1
                                  'search_release'  'animals':2 'rock':1
                                     'search_rest'  '00asia':1 '1993':2 'asia':4 'gr':14 'japan':5,7,9 'jrock':10,12 'loc':3,6,8 'pop':16 'punk':15 'rock':11,13
                                    'search_combo'  '00asia':7 '1993':8 'animals':6C 'asia':10 'boy':2A 'butterfly':1A 'gr':20 'japan':11,13,15 'jrock':16,18 'knife':4B 'loc':9,12,14 'pop':22 'punk':21 'rock':5C,17,19 'shonen':3B
                                    'tag_tracknum'  3
                                      '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-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['japanese', 'punk', 'j-rock', 'rock', 'female vocalists']
                                        'tag_date'  1993
                                     'discogstags'  ['rock', 'pop rock']

============================== file details ==============================
                                           'mtime'  1621489127.7974508  (2021-05-20 07:38:47)
                             'size'  4937881