======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '156'
                                          'artist'  'Shiina Ringo'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'torikoshigurou'
                                           'quals'  ("['Q-HAP-3', 'Q-HHRNBTT-1', 'Q-UNU-2', 'Q-JZFKS-2', 'Q-LOCALNESS-3', "
 "'Q-OLDST-3', 'q-syn-2', 'Q-PLAY-3', 'q-bass-3', 'q-busy-3', 'q-grit-3', "
 "'Q-PIANO-2', 'q-chart-3', 'q-drums-4', 'q-other-2', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['japanese', 'j-rock', 'j-pop', 'female vocalists', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-asia-japan-jrock-shibuyakei;loc-asia-japan;prerock-jb-jazz-unsorted;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '119.971'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '119.971'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan-jrock-shibuyakei',
 'loc-asia-japan',
 'prerock-jb-jazz-unsorted',
 'set-pl-shirleyspinoza',
 'set-pl-mor']
'TIT2' (Title/songname/content description)         'torikoshigurou'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Shiina Ringo'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['japanese', 'j-rock', 'j-pop', 'female vocalists', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.95 dB'
'TXXX:replaygain_track_peak'                        '0.403049'

========================== row from database ==========================
                                              'id'  930303
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Shiina Ringo & Tokyo Jihen/Shiina Ringo/Shina Ringo - Karuki Zaamen Kurinohana - 07 - Torikoshigurou.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  156
                                           'genre'  loc-asia-japan-jrock-shibuyakei;loc-asia-japan;prerock-jb-jazz-unsorted;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  3139654
                                           'mtime'  1620540267
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia & Tokyo Jihen Shina Karuki Zaamen Kurinohana 07 Torikoshigurou loc asia japan jrock shibuyakei;loc asia japan;prerock jb jazz unsorted;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Shiina Ringo
                                     'tag_release'  None
                                       'tag_title'  torikoshigurou
                                             'bpm'  119.971
                                    'search_title'  'torikoshigurou':1
                                   'search_artist'  'ringo':2 'shiina':1
                                  'search_release'  
                                     'search_rest'  '00asia':1 'asia':10 'japan':11,17,19 'jazz':22 'jb':21 'jihen':3 'jrock':12 'karuki':5 'kurinohana':7 'loc':9,14,16 'mor':32 'pl':27 'prerock':18,20 'set':24,26,29,31 'shibuyakei':13,15 'shina':4 'shirleyspinoza':28,30 'tokyo':2 'torikoshigurou':8 'unsorted':23,25 'zaamen':6
                                    'search_combo'  '00asia':4 'asia':13 'japan':14,20,22 'jazz':25 'jb':24 'jihen':6 'jrock':15 'karuki':8 'kurinohana':10 'loc':12,17,19 'mor':35 'pl':30 'prerock':21,23 'ringo':3B 'set':27,29,32,34 'shibuyakei':16,18 'shiina':2B 'shina':7 'shirleyspinoza':31,33 'tokyo':5 'torikoshigurou':1A,11 'unsorted':26,28 'zaamen':9
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['japanese', 'j-rock', 'j-pop', 'female vocalists', 'rock']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620540267.3745577  (2021-05-09 08:04:27)
                             'size'  3139654