======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '305'
                                          'artist'  'Tuvans'
                                     'text_people'  ''
                                         'release'  'Voices of Forgotten Worlds (disc 1)'
                                           'title'  'Tuva Kazhangnar - Throat-Singing (Tuva)'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', 'Q-UNU-3', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['throat singing', 'tuva', 'folk', 'world', 'traditional']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '103.7'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'COMM::\x00is'                                      ('compiled by Larry Blumenfeld for Ellipsis Arts \r\n'
 'Released by Ellipsis Arts in 1993 ')
'COMM::spa'                                         'Ellipsis Arts'
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'TALB' (Album/Movie/Show title)                     'Voices of Forgotten Worlds (disc 1)'
'TBPM' (BPM (beats per minute))                     '103.7'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TENC' (Encoded by)                                 'lism'
'TIT2' (Title/songname/content description)         'Tuva Kazhangnar - Throat-Singing (Tuva)'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Tuvans'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:lastfmtags'                                   ['throat singing', 'tuva', 'folk', 'world', 'traditional']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.92 dB'
'TXXX:replaygain_track_peak'                        '0.865758'

========================== row from database ==========================
                                              'id'  973647
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/VA - 1 [192k]/01 - Tuvans - Tuva Kazhangnar - Throat-Singing (Tuva - Mongolia).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  305
                                           'genre'  loc-unsorted
                                        'filesize'  7336128
                                           'mtime'  1637933108
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm VA [192k] 01 Mongolia) loc unsorted
                                      'tag_artist'  Tuvans
                                     'tag_release'  Voices of Forgotten Worlds (disc 1)
                                       'tag_title'  Tuva Kazhangnar - Throat-Singing (Tuva)
                                             'bpm'  103.7
                                    'search_title'  'kazhangnar':2 'singing':4 'throat':3 'throatsinging':5 'tuva':1,6
                                   'search_artist'  'tuvans':1
                                  'search_release'  '1':7,8 'disc':5,6 'forgotten':3 'of':2 'voices':1 'worlds':4
                                     'search_rest'  '192k':2,3 'loc':6 'mongolia':4,5 'unsorted':7 'va':1
                                    'search_combo'  '1':14C,15C '192k':17,18 'disc':12C,13C 'forgotten':10C 'kazhangnar':2A 'loc':21 'mongolia':19,20 'of':9C 'singing':4A 'throat':3A 'throatsinging':5A 'tuva':1A,6A 'tuvans':7B 'unsorted':22 'va':16 'voices':8C 'worlds':11C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['throat singing', 'tuva', 'folk', 'world', 'traditional']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637933107.775311  (2021-11-26 14:25:07)
                             'size'  7336128