======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '137'
                                          'artist'  'Toru Arima & his Noche Cubana'
                                     'text_people'  ''
                                         'release'  "T. Arima's Japanese Melody"
                                           'title'  'echi go shi shi (Echigo Shishi - name)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-experimental-early'
                                             'bpm'  '131.0'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "T. Arima's Japanese Melody"
'TBPM' (BPM (beats per minute))                     '131.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-early'
'TENC' (Encoded by)                                 'SoundJam v2.5.3'
'TIT2' (Title/songname/content description)         'echi go shi shi (Echigo Shishi - name)'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Toru Arima & his Noche Cubana'
'TRCK' (Track number/Position in set)               '02'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+3.24 dB'
'TXXX:replaygain_track_peak'                        '0.542188'

========================== row from database ==========================
                                              'id'  1528129
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Toru Arima & his Noche Cubana - Sem Sinatra_s Solar System of Sound/Toru Arima & His Noche Cubana - T. Arima_s Japanese Melody - 02 - Echi Go Shi Shi (Echigo Shishi - Name).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  137
                                           'genre'  electronic-experimental-early
                                        'filesize'  3296411
                                           'mtime'  1621489599
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Sem Sinatra_s Solar System of Sound His Arima_s 02 Go Name) electronic experimental early
                                      'tag_artist'  Toru Arima & his Noche Cubana
                                     'tag_release'  T. Arima's Japanese Melody
                                       'tag_title'  echi go shi shi (Echigo Shishi - name)
                                             'bpm'  131.0
                                    'search_title'  'echi':1 'echigo':4,5 'go':2 'name':7,8 'shi':3 'shishi':6
                                   'search_artist'  'arima':2 'cubana':5 'his':3 'noche':4 'toru':1
                                  'search_release'  'arima':3 'arimas':5 'japanese':6 'melody':7 's':4 't':1,2
                                     'search_rest'  'arima':9 'early':16 'electronic':14 'experimental':15 'go':11 'his':8 'name':12,13 'of':6 's':3,10 'sem':1 'sinatra':2 'solar':4 'sound':7 'system':5
                                    'search_combo'  'arima':10B,16C,29 'arimas':18C 'cubana':13B 'early':36 'echi':1A 'echigo':4A,5A 'electronic':34 'experimental':35 'go':2A,31 'his':11B,28 'japanese':19C 'melody':20C 'name':7A,8A,32,33 'noche':12B 'of':26 's':17C,23,30 'sem':21 'shi':3A 'shishi':6A 'sinatra':22 'solar':24 'sound':27 'system':25 't':14C,15C 'toru':9B
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-3', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621489599.2910466  (2021-05-20 07:46:39)
                             'size'  3296411