======================== unified (from filesystem) ========================
                                         'bitrate'  '146.083'
                                        'duration'  '271'
                                          'artist'  'Kongar-ool Ondar'
                                     'text_people'  ''
                                         'release'  'Deep in the Heart of Tuva'
                                           'title'  'Medley of Throat Singing Styles Accompanied by Doshpuulur'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', '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-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['tuva', 'central asian', 'world music', 'tuvan', 'world', 'throat singing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  '20'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'loc-russia-tuva'
                                             'bpm'  '104.660'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Deep in the Heart of Tuva'
'TBPM' (BPM (beats per minute))                     '104.660'
'TCON' (Content type, a.k.a. Genre)                 'loc-russia-tuva'
'TDRC' (Recording time)                             '1996'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         'Medley of Throat Singing Styles Accompanied by Doshpuulur'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Kongar-ool Ondar'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '01/20'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:lastfmtags'                                   ['tuva', 'central asian', 'world music', 'tuvan', 'world', 'throat singing']
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.44 dB'
'TXXX:replaygain_track_peak'                        '0.590858'

========================== row from database ==========================
                                              'id'  1399668
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Deep on the hear of Tuva/01. Kongar-ool Ondar - Medley of Throat Singing Styles Accompanied by Doshpuulur.mp3
                                         'working'  None
                                         'bitrate'  146
                                    'duration_sec'  271
                                           'genre'  loc-russia-tuva
                                        'filesize'  4967540
                                           'mtime'  1621629133
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia hear 01. loc russia tuva
                                      'tag_artist'  Kongar-ool Ondar
                                     'tag_release'  Deep in the Heart of Tuva
                                       'tag_title'  Medley of Throat Singing Styles Accompanied by Doshpuulur
                                             'bpm'  104.66
                                    'search_title'  'accompanied':6 'by':7 'doshpuulur':8 'medley':1 'of':2 'singing':4 'styles':5 'throat':3
                                   'search_artist'  'kongar':1 'kongarool':3 'ondar':4 'ool':2
                                  'search_release'  'deep':1 'heart':4 'in':2 'of':5 'the':3 'tuva':6
                                     'search_rest'  '00asia':1 '01':3,4 'hear':2 'loc':5 'russia':6 'tuva':7
                                    'search_combo'  '00asia':19 '01':21,22 'accompanied':6A 'by':7A 'deep':13C 'doshpuulur':8A 'hear':20 'heart':16C 'in':14C 'kongar':9B 'kongarool':11B 'loc':23 'medley':1A 'of':2A,17C 'ondar':12B 'ool':10B 'russia':24 'singing':4A 'styles':5A 'the':15C 'throat':3A 'tuva':18C,25
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', '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-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['tuva', 'central asian', 'world music', 'tuvan', 'world', 'throat singing']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629132.5891256  (2021-05-21 22:32:12)
                             'size'  4967540