======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '464'
                                          'artist'  'Huun-Huur-Tu, with the Bulgari'
                                     'text_people'  ''
                                         'release'  'Deep In The Heart Of Tuva'
                                           'title'  'Fly, Fly My Sadness'
                                           'quals'  ("['Q-BUSY-3', 'Q-GRIT-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-MIXBEAT-1', 'Q-SYN-1', 'Q-OLDST-3', 'Q-HAP-2', 'Q-UNU-3', 'Q-PLAY-2', "
 "'Q-CHART-2', 'q-bass-1', 'q-drums-1', 'q-other-3', 'q-piano-1', "
 "'q-vocals-4']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'loc-russia-tuva'
                                             'bpm'  '143.314'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '(Formerly Le Mystere des Voi'
'TALB' (Album/Movie/Show title)                     'Deep In The Heart Of Tuva'
'TBPM' (BPM (beats per minute))                     '143.314'
'TCON' (Content type, a.k.a. Genre)                 'loc-russia-tuva'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Fly, Fly My Sadness'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Huun-Huur-Tu, with the Bulgari'
'TRCK' (Track number/Position in set)               '15'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_album_gain'                        '+1.40 dB'
'TXXX:replaygain_album_peak'                        '0.491592'
'TXXX:replaygain_track_gain'                        '+1.40 dB'
'TXXX:replaygain_track_peak'                        '0.491592'

========================== row from database ==========================
                                              'id'  1536526
                                            'path'  /data/Music/Bulk/00localcharacter/VA. World 1： Trad/Deep in the Heart of Tuva ~ Cowboy Music from the Wild East/Deep in the Heart of Tuva)- 15 - huun-huur-tu, with the bulgarian womens choir angelite, et el. - fly, fly my sadness.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  464
                                           'genre'  loc-russia-tuva
                                        'filesize'  11157682
                                           'mtime'  1643967907
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter VA. World 1： Trad in of ~ Cowboy Music from Wild East in of Tuva) 15 huun huur tu, bulgarian womens choir angelite, et el. fly, fly my sadness loc russia tuva
                                      'tag_artist'  Huun-Huur-Tu, with the Bulgari
                                     'tag_release'  Deep In The Heart Of Tuva
                                       'tag_title'  Fly, Fly My Sadness
                                             'bpm'  143.314
                                    'search_title'  'fly':1,2 'my':3 'sadness':4
                                   'search_artist'  'bulgari':7 'huun':1 'huunhuurtu':4 'huur':2 'the':6 'tu':3 'with':5
                                  'search_release'  'deep':1 'heart':4 'in':2 'of':5 'the':3 'tuva':6
                                     'search_rest'  '1':4,5,6 'angelite':24,25 'bulgarian':21 'choir':23 'cowboy':10 'east':14 'el':27,28 'et':26 'fly':29,30 'from':12 'huun':17 'huur':18 'in':8 'loc':33 'music':11 'my':31 'of':9 'russia':34 'sadness':32 'trad':7 'tu':19,20 'tuva':15,16 'va':1,2 'wild':13 'womens':22 'world':3
                                    'search_combo'  '1':21,22,23 'angelite':41,42 'bulgari':11B 'bulgarian':38 'choir':40 'cowboy':27 'deep':12C 'east':31 'el':44,45 'et':43 'fly':1A,2A,46,47 'from':29 'heart':15C 'huun':5B,34 'huunhuurtu':8B 'huur':6B,35 'in':13C,25 'loc':50 'music':28 'my':3A,48 'of':16C,26 'russia':51 'sadness':4A,49 'the':10B,14C 'trad':24 'tu':7B,36,37 'tuva':17C,32,33 'va':18,19 'wild':30 'with':9B 'womens':39 'world':20
                                    'tag_tracknum'  15
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-BUSY-3', 'Q-GRIT-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', 'Q-MIXBEAT-1', 'Q-SYN-1', 'Q-OLDST-3', 'Q-HAP-2', 'Q-UNU-3', 'Q-PLAY-2', 'Q-CHART-2', 'q-bass-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4']
                                      'lastfmtags'  []
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1643967907.3294535  (2022-02-04 10:45:07)
                             'size'  11157682