======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '44'
                                          'artist'  'Shiina Ringo'
                                     'text_people'  ''
                                         'release'  'Electric Mole'
                                           'title'  'Ringo no Uta (ichibu)'
                                           'quals'  ("['Q-HAP-3', 'Q-HHRNBTT-1', 'Q-UNU-2', 'Q-LOCALNESS-2', 'Q-JZFKS-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['japanese', 'j-rock', 'j-pop', 'female vocalists', 'rock']"
                                     'discogstags'  "['j-pop', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '38'
                                      'tracktotal'  ''
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan-jrock-shibuyakei;loc-asia-japan;prerock-jb-jazz-unsorted'
                                             'bpm'  '129.813'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Electric Mole'
'TBPM' (BPM (beats per minute))                     '129.813'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan-jrock-shibuyakei',
 'loc-asia-japan',
 'prerock-jb-jazz-unsorted']
'TDRC' (Recording time)                             '2013'
'TIT2' (Title/songname/content description)         'Ringo no Uta (ichibu)'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Shiina Ringo'
'TRCK' (Track number/Position in set)               '38'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['j-pop', 'pop']
'TXXX:lastfmtags'                                   ['japanese', 'j-rock', 'j-pop', 'female vocalists', 'rock']
'TXXX:other'                                        'Electric Mole 38'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.76 dB'
'TXXX:replaygain_track_peak'                        '0.371385'

========================== row from database ==========================
                                              'id'  927016
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Shiina Ringo & Tokyo Jihen/- DVD Audio rips/Shiina Ringo - dvd 2003.12.17 - Electric Mole [256k]/Shiina Ringo - Electric Mole 38 - Ringo no Uta (ichibu).mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  44
                                           'genre'  loc-asia-japan-jrock-shibuyakei;loc-asia-japan;prerock-jb-jazz-unsorted
                                        'filesize'  1439233
                                           'mtime'  1620539967
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia & Tokyo Jihen DVD Audio rips dvd 2003.12.17 [256k] 38 loc asia japan jrock shibuyakei;loc asia japan;prerock jb jazz unsorted
                                      'tag_artist'  Shiina Ringo
                                     'tag_release'  Electric Mole
                                       'tag_title'  Ringo no Uta (ichibu)
                                             'bpm'  129.813
                                    'search_title'  'ichibu':4,5 'no':2 'ringo':1 'uta':3
                                   'search_artist'  'ringo':2 'shiina':1
                                  'search_release'  'electric':1 'mole':2
                                     'search_rest'  '00asia':1 '12':8 '17':9 '2003':7 '20031217':10 '256k':11,12 '38':13 'asia':15 'audio':5 'dvd':4 'japan':16,22,24 'jazz':27 'jb':26 'jihen':3 'jrock':17 'loc':14,19,21 'prerock':23,25 'rips':6 'shibuyakei':18,20 'tokyo':2 'unsorted':28
                                    'search_combo'  '00asia':10 '12':17 '17':18 '2003':16 '20031217':19 '256k':20,21 '38':22 'asia':24 'audio':14 'dvd':13 'electric':8C 'ichibu':4A,5A 'japan':25,31,33 'jazz':36 'jb':35 'jihen':12 'jrock':26 'loc':23,28,30 'mole':9C 'no':2A 'prerock':32,34 'ringo':1A,7B 'rips':15 'shibuyakei':27,29 'shiina':6B 'tokyo':11 'unsorted':37 'uta':3A
                                    'tag_tracknum'  38
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['japanese', 'j-rock', 'j-pop', 'female vocalists', 'rock']
                                        'tag_date'  2013
                                     'discogstags'  ['j-pop', 'pop']

============================== file details ==============================
                                           'mtime'  1620539967.149335  (2021-05-09 07:59:27)
                             'size'  1439233