======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '192'
                                          'artist'  'Kelis'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Milkshake (remix)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['rnb', 'female vocalists', 'hip hop', 'pop', 'soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '113.3'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '113.3'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TIT2' (Title/songname/content description)         'Milkshake (remix)'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Kelis'
'TXXX:Mp3gain_minmax'                               '135,182'
'TXXX:Mp3gain_undo'                                 '+004,+004,N'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rnb', 'female vocalists', 'hip hop', 'pop', 'soul']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.39 dB'
'TXXX:replaygain_track_peak'                        '0.523535'

========================== row from database ==========================
                                              'id'  1258752
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Kelis/tasty/kelis_feat_la_la-milkshake_(remix)-fua.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  192
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  4630836
                                           'mtime'  1620584935
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism tasty kelis_feat_la_la milkshake_(remix) fua hip hop or rnb or rap or turntablism
                                      'tag_artist'  Kelis
                                     'tag_release'  None
                                       'tag_title'  Milkshake (remix)
                                             'bpm'  113.3
                                    'search_title'  'milkshake':1 'remix':2,3
                                   'search_artist'  'kelis':1
                                  'search_release'  
                                     'search_rest'  'feat':7 'fua':14 'hip':15 'hiphop':1 'hop':16 'kelis':6 'la':8,9 'milkshake':10,12 'or':17 'rap':2 'remix':11,13 'rnb':3 'tasty':5 'turntablism':4
                                    'search_combo'  'feat':11 'fua':18 'hip':19 'hiphop':5 'hop':20 'kelis':4B,10 'la':12,13 'milkshake':1A,14,16 'or':21 'rap':6 'remix':2A,3A,15,17 'rnb':7 'tasty':9 'turntablism':8
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rnb', 'female vocalists', 'hip hop', 'pop', 'soul']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620584934.9029024  (2021-05-09 20:28:54)
                             'size'  4630836