======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '200'
                                          'artist'  'Tuvan Throat Singers'
                                     'text_people'  ''
                                         'release'  'Deep In The Heart Of Tuva'
                                           'title'  'Oleg Kuular -Collection of Hoo'
                                           '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'  "['throat singing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'loc-russia-tuva'
                                             'bpm'  '144.541'
                                             'key'  '11A'
                                        '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))                     '144.541'
'TCON' (Content type, a.k.a. Genre)                 'loc-russia-tuva'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Oleg Kuular -Collection of Hoo'
'TKEY' (Initial key)                                '11A'
'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)               '3'
'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'                                       '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'                        '+1.04 dB'
'TXXX:replaygain_track_peak'                        '0.618716'

========================== row from database ==========================
                                              'id'  980362
                                            'path'  /data/Music/Bulk/00localcharacter/Tuvan Throat Singers - Deep In The Heart Of Tuva/03 - collection of hoomei styles - oleg kuular.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  200
                                           'genre'  loc-russia-tuva
                                        'filesize'  4810544
                                           'mtime'  1621629840
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 03 collection hoomei styles oleg kuular loc russia tuva
                                      'tag_artist'  Tuvan Throat Singers
                                     'tag_release'  Deep In The Heart Of Tuva
                                       'tag_title'  Oleg Kuular -Collection of Hoo
                                             'bpm'  144.541
                                    'search_title'  'collection':3,4 'hoo':6 'kuular':2 'of':5 'oleg':1
                                   'search_artist'  'singers':3 'throat':2 'tuvan':1
                                  'search_release'  'deep':1 'heart':4 'in':2 'of':5 'the':3 'tuva':6
                                     'search_rest'  'collection':1 'hoomei':2 'kuular':5 'loc':6 'oleg':4 'russia':7 'styles':3 'tuva':8
                                    'search_combo'  'collection':3A,4A,16 'deep':10C 'heart':13C 'hoo':6A 'hoomei':17 'in':11C 'kuular':2A,20 'loc':21 'of':5A,14C 'oleg':1A,19 'russia':22 'singers':9B 'styles':18 'the':12C 'throat':8B 'tuva':15C,23 'tuvan':7B
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  11A
                                           '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'  ['throat singing']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629840.4935703  (2021-05-21 22:44:00)
                             'size'  4810544