======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '269'
                                          'artist'  'Sambomaster'
                                     'text_people'  ''
                                         'release'  "Boku to Kimi no Subete wo Rock 'n Roll to Yobe"
                                           'title'  'Futatsu no Namida'
                                           '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-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['j-rock', 'japanese', 'rock', 'j-pop', 'anime']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '18'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jrock'
                                             'bpm'  '127.444'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00001A99 00001A71 00004C46'
'COMM:iTunNORM:eng'                                 (' 00001A99 00001A71 00004C46 00004227 00024A1E 00027145 00008000 00008000 '
 '00002727 00004E4E')
'TALB' (Album/Movie/Show title)                     "Boku to Kimi no Subete wo Rock 'n Roll to Yobe"
'TBPM' (BPM (beats per minute))                     '127.444'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jrock']
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Futatsu no Namida'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Sambomaster'
'TRCK' (Track number/Position in set)               '12/18'
'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'                                   ['j-rock', 'japanese', 'rock', 'j-pop', 'anime']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-2.73 dB'
'TXXX:replaygain_track_peak'                        '0.412825'

========================== row from database ==========================
                                              'id'  1527499
                                            'path'  /data/Music/Bulk/00localcharacter/Sambomaster/Boku to Kimi no Subete wo Rock _n Roll to Yobe/12 Futatsu no Namida.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  269
                                           'genre'  loc-asia-japan;loc-asia-japan-jrock
                                        'filesize'  6465408
                                           'mtime'  1638551001
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter _n 12 loc asia japan;loc asia japan jrock
                                      'tag_artist'  Sambomaster
                                     'tag_release'  Boku to Kimi no Subete wo Rock 'n Roll to Yobe
                                       'tag_title'  Futatsu no Namida
                                             'bpm'  127.444
                                    'search_title'  'futatsu':1 'namida':3 'no':2
                                   'search_artist'  'sambomaster':1
                                  'search_release'  'boku':1 'kimi':3 'n':8,9 'no':4 'rock':7 'roll':10 'subete':5 'to':2 'wo':6 'yobe':11
                                     'search_rest'  'asia':3 'japan':4,6,8 'jrock':9 'loc':2,5,7 'n':1
                                    'search_combo'  'asia':18 'boku':5C 'futatsu':1A 'japan':19,21,23 'jrock':24 'kimi':7C 'loc':17,20,22 'n':12C,13C,16 'namida':3A 'no':2A,8C 'rock':11C 'roll':14C 'sambomaster':4B 'subete':9C 'to':6C 'wo':10C 'yobe':15C
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['j-rock', 'japanese', 'rock', 'j-pop', 'anime']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1638551000.7346222  (2021-12-03 18:03:20)
                             'size'  6465408