======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '273'
                                          'artist'  'YMO'
                                     'text_people'  ''
                                         'release'  'BGM'
                                           'title'  'Happy End'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronic', 'japanese', 'synthpop', 'techno', '80s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '10'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;electronic-electro'
                                             'bpm'  '133'
                                             'key'  '4A'
                                        'acoustid'  'aa69eb5c-1e78-47ce-b46e-e854af679f12'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'BGM'
'TBPM' (BPM (beats per minute))                     '133'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'electronic-electro']
'TDOR' (Original release time)                      '1981'
'TDRC' (Recording time)                             '1998-01-15'
'TIT2' (Title/songname/content description)         'Happy End'
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'YMO'
'TPE2' (Band/orchestra/accompaniment)               'YMO'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Alfa Records'
'TRCK' (Track number/Position in set)               '4/10'
'TSO2'                                              'Yellow Magic Orchestra'
'TSOP' (Performer sort order)                       'Yellow Magic Orchestra'
'TXXX:Acoustid Id'                                  'aa69eb5c-1e78-47ce-b46e-e854af679f12'
'TXXX:Artists'                                      'YMO'
'TXXX:BARCODE'                                      '4988024022542'
'TXXX:CATALOGNUMBER'                                'ALCA-5220'
'TXXX:MusicBrainz Album Artist Id'                  'ac5af671-1df0-4312-8b7b-e61992ecc883'
'TXXX:MusicBrainz Album Id'                         '4637e0b6-ae1c-42ee-88a3-21a4e0081304'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'ac5af671-1df0-4312-8b7b-e61992ecc883'
'TXXX:MusicBrainz Release Group Id'                 'c07fe3c7-aeed-32c9-8954-fab33ef78f27'
'TXXX:MusicBrainz Release Track Id'                 '30d6d07b-20da-426c-871f-dc49fac9df1f'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['electronic', 'japanese', 'synthpop', 'techno', '80s']
'TXXX:originalyear'                                 '1981'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.83 dB'
'TXXX:replaygain_track_peak'                        '0.582217'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'dd441cdb-b09e-4166-8bbe-c93c75dacba0')

========================== row from database ==========================
                                              'id'  930082
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Yellow Magic Orchestra/Yellow Magic Orchestra - BGM - 04 - Happy End.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  273
                                           'genre'  loc-asia-japan;electronic-electro
                                        'filesize'  6652221
                                           'mtime'  1621489992
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia Yellow Magic Orchestra Yellow Magic Orchestra 04 loc asia japan;electronic electro
                                      'tag_artist'  YMO
                                     'tag_release'  BGM
                                       'tag_title'  Happy End
                                             'bpm'  133.0
                                    'search_title'  'end':2 'happy':1
                                   'search_artist'  'ymo':1
                                  'search_release'  'bgm':1
                                     'search_rest'  '00asia':1 'asia':6 'electro':11 'electronic':8,10 'japan':7,9 'loc':5 'magic':3 'orchestra':4 'yellow':2
                                    'search_combo'  '00asia':5 'asia':10 'bgm':4C 'electro':15 'electronic':12,14 'end':2A 'happy':1A 'japan':11,13 'loc':9 'magic':7 'orchestra':8 'yellow':6 'ymo':3B
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-3', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'japanese', 'synthpop', 'techno', '80s']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621489991.9318426  (2021-05-20 07:53:11)
                             'size'  6652221