======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '278'
                                          'artist'  'THE BACK HORN'
                                     'text_people'  ''
                                         'release'  '太陽の中の生活'
                                           'title'  '世界の果てで'
                                           '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-2', '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'  '05'
                                      'tracktotal'  '11'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jrock'
                                             'bpm'  '114.028'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         '[Taiyou no Naka no Seikatsu] - Sekai no Hate de'
'COMM:ID3v1 Comment:XXX'                            '[Taiyou no Naka no Seikatsu]'
'COMM:iTunNORM:eng'                                 (' 00001C66 00001B2A 00005CBC 0000743D 0001119E 00011187 00008000 00008000 '
 '00011187 00011170')
'TALB' (Album/Movie/Show title)                     '太陽の中の生活'
'TBPM' (BPM (beats per minute))                     '114.028'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jrock']
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         '世界の果てで'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'THE BACK HORN'
'TPE2' (Band/orchestra/accompaniment)               'THE BACK HORN'
'TRCK' (Track number/Position in set)               '05/11'
'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:lastfmtags'                                   ['jrock', 'alternative', 'rock', 'japanese', 'j rock']
'TXXX:other'                                        '2006'
'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'                        '-0.06 dB'
'TXXX:replaygain_track_peak'                        '0.338962'
'USLT::eng'                                         'Yoshitsune @ T-N'

========================== row from database ==========================
                                              'id'  349781
                                            'path'  /data/Music/Bulk/00localcharacter/THE BACK HORN/[2006] 太陽の中の生活/05 世界の果てで.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  278
                                           'genre'  loc-asia-japan;loc-asia-japan-jrock
                                        'filesize'  6748098
                                           'mtime'  1637020133
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter [2006] 05 loc asia japan;loc asia japan jrock
                                      'tag_artist'  THE BACK HORN
                                     'tag_release'  太陽の中の生活
                                       'tag_title'  世界の果てで
                                             'bpm'  114.028
                                    'search_title'  '世界no果tete':2 '世界の果てで':1
                                   'search_artist'  'back':2 'horn':3 'the':1
                                  'search_release'  '太陽no中no生活':2 '太陽の中の生活':1
                                     'search_rest'  '2006':1,2 'asia':4 'japan':5,7,9 'jrock':10 'loc':3,6,8
                                    'search_combo'  '2006':8,9 'asia':11 'back':4B 'horn':5B 'japan':12,14,16 'jrock':17 'loc':10,13,15 'the':3B '世界no果tete':2A '世界の果てで':1A '太陽no中no生活':7C '太陽の中の生活':6C
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  1A
                                           '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-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['jrock', 'alternative', 'rock', 'japanese', 'j rock']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637020132.882429  (2021-11-16 00:48:52)
                             'size'  6748098