======================== unified (from filesystem) ========================
                                         'bitrate'  '231.049'
                                        'duration'  '423'
                                          'artist'  '[unknown]'
                                     'text_people'  ''
                                         'release'  'Zimbabwe The Soul of Mbira: Traditions Of The Shona People'
                                           'title'  'Nhemamusasa'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-1', 'Q-UNU-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-4', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  '09'
                                            'date'  '1973'
                                        'comments'  ''
                                           'genre'  'loc-africa'
                                             'bpm'  '145.059'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Zimbabwe The Soul of Mbira: Traditions Of The Shona People'
'TBPM' (BPM (beats per minute))                     '145.059'
'TCON' (Content type, a.k.a. Genre)                 'loc-africa'
'TDRC' (Recording time)                             '1973'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         'Nhemamusasa'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               '[unknown]'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '01/09'
'TSOP' (Performer sort order)                       'Various Artists'
'TSSE' (Software/Hardware and settings used for encoding)  'Lame3.96'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.15 dB'
'TXXX:replaygain_track_peak'                        '0.448420'

========================== row from database ==========================
                                              'id'  1397370
                                            'path'  /data/Music/Bulk/00localcharacter/00africa/va - nonesuch explorer series - zimbabwe - the soul of mbira - traditions of the shona people/01 nhemamusasa.mp3
                                         'working'  None
                                         'bitrate'  231
                                    'duration_sec'  423
                                           'genre'  loc-africa
                                        'filesize'  12244890
                                           'mtime'  1620525148
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00africa va nonesuch explorer series zimbabwe the soul mbira traditions the shona people 01 nhemamusasa loc africa
                                      'tag_artist'  [unknown]
                                     'tag_release'  Zimbabwe The Soul of Mbira: Traditions Of The Shona People
                                       'tag_title'  Nhemamusasa
                                             'bpm'  145.059
                                    'search_title'  'nhemamusasa':1
                                   'search_artist'  'unknown':1,2
                                  'search_release'  'mbira':5,6 'of':4 'people':9 'shona':8 'soul':3 'the':2 'traditions':7 'zimbabwe':1
                                     'search_rest'  '00africa':1 'africa':15 'explorer':4 'loc':14 'mbira':9 'nhemamusasa':13 'nonesuch':3 'people':12 'series':5 'shona':11 'soul':8 'the':7 'traditions':10 'va':2 'zimbabwe':6
                                    'search_combo'  '00africa':13 'africa':27 'explorer':16 'loc':26 'mbira':8C,9C,21 'nhemamusasa':1A,25 'nonesuch':15 'of':7C 'people':12C,24 'series':17 'shona':11C,23 'soul':6C,20 'the':5C,19 'traditions':10C,22 'unknown':2B,3B 'va':14 'zimbabwe':4C,18
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-4', '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-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['mysterious', 'unknown', 'all', 'mistagged artist', 'rock']
                                        'tag_date'  1973
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620525148.442133  (2021-05-09 03:52:28)
                             'size'  12244890