======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '302'
                                          'artist'  'THE BACK HORN'
                                     'text_people'  ''
                                         'release'  '心臓オーケストラ'
                                           'title'  '世界樹の下で'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-4', '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'  "['jrock', 'alternative', 'rock', 'japanese', 'j rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '10'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jrock'
                                             'bpm'  '112.570'
                                             'key'  '10A'
                                        'acoustid'  'c7c9205f-fb6f-4b2f-9e0c-5c9993f2c4d5'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         '[Shinzou Orchestra] - Sekaiju no Shita de'
'COMM:ID3v1 Comment:XXX'                            '[Shinzou Orchestra] - Sekaij'
'TALB' (Album/Movie/Show title)                     '心臓オーケストラ'
'TBPM' (BPM (beats per minute))                     '112.570'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jrock']
'TDOR' (Original release time)                      '2002'
'TDRC' (Recording time)                             '2002-11-13'
'TIT2' (Title/songname/content description)         '世界樹の下で'
'TKEY' (Initial key)                                '10A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'THE BACK HORN'
'TPE2' (Band/orchestra/accompaniment)               'THE BACK HORN'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'SPEEDSTAR'
'TRCK' (Track number/Position in set)               '9/10'
'TSO2'                                              'Back Horn, The'
'TSOP' (Performer sort order)                       'Back Horn, The'
'TXXX:ASIN'                                         'B000A3E4KE'
'TXXX:Acoustid Id'                                  'c7c9205f-fb6f-4b2f-9e0c-5c9993f2c4d5'
'TXXX:Artists'                                      'THE BACK HORN'
'TXXX:BARCODE'                                      '4988002438198'
'TXXX:CATALOGNUMBER'                                'VICL-60993'
'TXXX:MusicBrainz Album Artist Id'                  '05f4fbf4-d01f-4dac-bd66-9613e4db8044'
'TXXX:MusicBrainz Album Id'                         '1ab1caac-8fba-4895-a42c-89abcc53c3ac'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '05f4fbf4-d01f-4dac-bd66-9613e4db8044'
'TXXX:MusicBrainz Release Group Id'                 '809c7ab0-06d5-3551-ad1b-836561c6c547'
'TXXX:MusicBrainz Release Track Id'                 '925f4bef-be7c-3b31-85ba-94c5a8d2a5cd'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Jpan'
'TXXX:lastfmtags'                                   ['jrock', 'alternative', 'rock', 'japanese', 'j rock']
'TXXX:originalyear'                                 '2002'
'TXXX:other'                                        '2002'
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.59 dB'
'TXXX:replaygain_track_peak'                        '0.482747'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'405fce06-ae44-4d08-9f09-22adfc8bacfc')

========================== row from database ==========================
                                              'id'  437289
                                            'path'  /data/Music/Bulk/00localcharacter/THE BACK HORN/[2002] 心臓オーケストラ/09 世界樹の下で.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  302
                                           'genre'  loc-asia-japan;loc-asia-japan-jrock
                                        'filesize'  4859181
                                           'mtime'  1637020125
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter [2002] 09 loc asia japan;loc asia japan jrock
                                      'tag_artist'  THE BACK HORN
                                     'tag_release'  心臓オーケストラ
                                       'tag_title'  世界樹の下で
                                             'bpm'  112.57
                                    'search_title'  '世界樹no下te':2 '世界樹の下で':1
                                   'search_artist'  'back':2 'horn':3 'the':1
                                  'search_release'  '心臓okesutora':2 '心臓オーケストラ':1
                                     'search_rest'  '2002':1,2 'asia':4 'japan':5,7,9 'jrock':10 'loc':3,6,8
                                    'search_combo'  '2002':8,9 'asia':11 'back':4B 'horn':5B 'japan':12,14,16 'jrock':17 'loc':10,13,15 'the':3B '世界樹no下te':2A '世界樹の下で':1A '心臓okesutora':7C '心臓オーケストラ':6C
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['jrock', 'alternative', 'rock', 'japanese', 'j rock']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637020124.9540005  (2021-11-16 00:48:44)
                             'size'  4859181