======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '62'
                                          'artist'  'Yuri Lane'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Mix It Up'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['beatbox', 'hip hop', 'human beatbox', 'harmonica']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  '04'
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '92.857'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '92.857'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TENC' (Encoded by)                                 'iTunes v4.5'
'TIT2' (Title/songname/content description)         'Mix It Up'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Yuri Lane'
'TRCK' (Track number/Position in set)               '04/04'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['beatbox', 'hip hop', 'human beatbox', 'harmonica']
'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'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.52 dB'
'TXXX:replaygain_track_peak'                        '0.901343'

========================== row from database ==========================
                                              'id'  981132
                                            'path'  /data/Music/Bulk/00localcharacter/yuri lane/mixitup.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  62
                                           'genre'  loc-unsorted
                                        'filesize'  1247100
                                           'mtime'  1637329996
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter yuri lane mixitup loc unsorted
                                      'tag_artist'  Yuri Lane
                                     'tag_release'  None
                                       'tag_title'  Mix It Up
                                             'bpm'  92.857
                                    'search_title'  'it':2 'mix':1 'up':3
                                   'search_artist'  'lane':2 'yuri':1
                                  'search_release'  
                                     'search_rest'  'lane':2 'loc':4 'mixitup':3 'unsorted':5 'yuri':1
                                    'search_combo'  'it':2A 'lane':5B,7 'loc':9 'mix':1A 'mixitup':8 'unsorted':10 'up':3A 'yuri':4B,6
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['beatbox', 'hip hop', 'human beatbox', 'harmonica']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637329995.5528674  (2021-11-19 14:53:15)
                             'size'  1247100