======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '328'
                                          'artist'  'Tuvan Throat Singers'
                                     'text_people'  ''
                                         'release'  'Deep In The Heart Of Tuva'
                                           'title'  'Kongar-ool Ondar -Shamanic Pra'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', 'Q-UNU-3', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['throat singing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'loc-russia-tuva'
                                             'bpm'  '141.216'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Deep In The Heart Of Tuva'
'TBPM' (BPM (beats per minute))                     '141.216'
'TCON' (Content type, a.k.a. Genre)                 'loc-russia-tuva'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Kongar-ool Ondar -Shamanic Pra'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Tuvan Throat Singers'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Ellipsis Arts'
'TRCK' (Track number/Position in set)               '11'
'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'                                   'throat singing'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.05 dB'
'TXXX:replaygain_track_peak'                        '1.015422'

========================== row from database ==========================
                                              'id'  980306
                                            'path'  /data/Music/Bulk/00localcharacter/Tuvan Throat Singers - Deep In The Heart Of Tuva/11 - shamanic prayer for richard faynman.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  328
                                           'genre'  loc-russia-tuva
                                        'filesize'  7877944
                                           'mtime'  1621629840
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 11 shamanic prayer for richard faynman loc russia tuva
                                      'tag_artist'  Tuvan Throat Singers
                                     'tag_release'  Deep In The Heart Of Tuva
                                       'tag_title'  Kongar-ool Ondar -Shamanic Pra
                                             'bpm'  141.216
                                    'search_title'  'kongar':1 'kongarool':3 'ondar':4 'ool':2 'pra':7 'shamanic':5,6
                                   'search_artist'  'singers':3 'throat':2 'tuvan':1
                                  'search_release'  'deep':1 'heart':4 'in':2 'of':5 'the':3 'tuva':6
                                     'search_rest'  'faynman':5 'for':3 'loc':6 'prayer':2 'richard':4 'russia':7 'shamanic':1 'tuva':8
                                    'search_combo'  'deep':11C 'faynman':21 'for':19 'heart':14C 'in':12C 'kongar':1A 'kongarool':3A 'loc':22 'of':15C 'ondar':4A 'ool':2A 'pra':7A 'prayer':18 'richard':20 'russia':23 'shamanic':5A,6A,17 'singers':10B 'the':13C 'throat':9B 'tuva':16C,24 'tuvan':8B
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-4', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['throat singing']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629840.4980116  (2021-05-21 22:44:00)
                             'size'  7877944