======================== unified (from filesystem) ========================
                                         'bitrate'  '132.491'
                                        'duration'  '153'
                                          'artist'  'Cornel Pewewardy'
                                     'text_people'  ''
                                         'release'  'Global Voices: Sacred'
                                           'title'  'Kiowa Hymn'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-3', 'Q-HHRNBTT-1', "
 "'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-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['americana', 'american indian', 'native american']"
                                     'discogstags'  "['folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '08'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'loc-unsorted-mix'
                                             'bpm'  '88.787'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Global Voices: Sacred'
'TBPM' (BPM (beats per minute))                     '88.787'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted-mix'
'TDRC' (Recording time)                             '1999'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         'Kiowa Hymn'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Cornel Pewewardy'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '08'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'folk, world, & country'
'TXXX:lastfmtags'                                   ['americana', 'american indian', 'native american']
'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'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.65 dB'
'TXXX:replaygain_track_peak'                        '0.653547'

========================== row from database ==========================
                                              'id'  471117
                                            'path'  /data/Music/Bulk/00localcharacter/VA. World 1： Trad/Sacred Global Voices (Music Of The World, 1999) [159-320kvbr]/08 - Cornel Pewewardy - Kiowa Hymn, USA.mp3
                                         'working'  None
                                         'bitrate'  132
                                    'duration_sec'  153
                                           'genre'  loc-unsorted-mix
                                        'filesize'  2552436
                                           'mtime'  1621629890
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter VA. World 1： Trad (Music Of The World, 1999) [159 320kvbr] 08 Hymn, USA loc unsorted mix
                                      'tag_artist'  Cornel Pewewardy
                                     'tag_release'  Global Voices: Sacred
                                       'tag_title'  Kiowa Hymn
                                             'bpm'  88.787
                                    'search_title'  'hymn':2 'kiowa':1
                                   'search_artist'  'cornel':1 'pewewardy':2
                                  'search_release'  'global':1 'sacred':4 'voices':2,3
                                     'search_rest'  '1':4,5,6 '159':15,16 '1999':13,14 '320kvbr':17,18 'hymn':19,20 'loc':22 'mix':24 'music':8,9 'of':10 'the':11 'trad':7 'unsorted':23 'usa':21 'va':1,2 'world':3,12
                                    'search_combo'  '1':12,13,14 '159':23,24 '1999':21,22 '320kvbr':25,26 'cornel':3B 'global':5C 'hymn':2A,27,28 'kiowa':1A 'loc':30 'mix':32 'music':16,17 'of':18 'pewewardy':4B 'sacred':8C 'the':19 'trad':15 'unsorted':31 'usa':29 'va':9,10 'voices':6C,7C 'world':11,20
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['americana', 'american indian', 'native american']
                                        'tag_date'  1999
                                     'discogstags'  ['folk, world, & country']

============================== file details ==============================
                                           'mtime'  1621629889.5340383  (2021-05-21 22:44:49)
                             'size'  2552436