======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '49'
                                          'artist'  'Ainu'
                                     'text_people'  ''
                                         'release'  'Voices of Forgotten Worlds (disc 1)'
                                           'title'  'Ayoro Kotan (Japan)'
                                           'quals'  ("['Q-HAP-2', 'Q-OLDST-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-2', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['new age', 'voice of forest', 'ethnic world electronic', 'ainu language', "
 "'ulaanbaator']")
                                     'discogstags'  "['idm', 'electronic', 'electro', 'techno']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '20'
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '140.4'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Voices of Forgotten Worlds (disc 1)'
'TBPM' (BPM (beats per minute))                     '140.4'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TDRC' (Recording time)                             '1993'
'TENC' (Encoded by)                                 'lism'
'TIT2' (Title/songname/content description)         'Ayoro Kotan (Japan)'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Ainu'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '3/20'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['idm', 'electronic', 'electro', 'techno']
'TXXX:lastfmtags'                                   ['new age',
 'voice of forest',
 'ethnic world electronic',
 'ainu language',
 'ulaanbaator']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.01 dB'
'TXXX:replaygain_track_peak'                        '0.444369'

========================== row from database ==========================
                                              'id'  973678
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/VA - 1 [192k]/03 - Ainu - Ayoro Kotan (Japan).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  49
                                           'genre'  loc-unsorted
                                        'filesize'  1185664
                                           'mtime'  1637933108
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm VA [192k] 03 loc unsorted
                                      'tag_artist'  Ainu
                                     'tag_release'  Voices of Forgotten Worlds (disc 1)
                                       'tag_title'  Ayoro Kotan (Japan)
                                             'bpm'  140.4
                                    'search_title'  'ayoro':1 'japan':3,4 'kotan':2
                                   'search_artist'  'ainu':1
                                  'search_release'  '1':7,8 'disc':5,6 'forgotten':3 'of':2 'voices':1 'worlds':4
                                     'search_rest'  '192k':2,3 'loc':4 'unsorted':5 'va':1
                                    'search_combo'  '1':12C,13C '192k':15,16 'ainu':5B 'ayoro':1A 'disc':10C,11C 'forgotten':8C 'japan':3A,4A 'kotan':2A 'loc':17 'of':7C 'unsorted':18 'va':14 'voices':6C 'worlds':9C
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['new age', 'voice of forest', 'ethnic world electronic', 'ainu language', 'ulaanbaator']
                                        'tag_date'  1993
                                     'discogstags'  ['idm', 'electronic', 'electro', 'techno']

============================== file details ==============================
                                           'mtime'  1637933107.8309329  (2021-11-26 14:25:07)
                             'size'  1185664