======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '250'
                                          'artist'  'Sade'
                                     'text_people'  ''
                                         'release'  'The Best of Sade'
                                           'title'  'Kiss of Life'
                                           'quals'  ("['Q-OLDST-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-4', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']")
                                      'lastfmtags'  "['love', 'jazz', 'female vocalists', 'soul']"
                                     'discogstags'  "['vocal', 'funk / soul', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '128.904'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'APIC:Cover Image'                                  type PictureType.COVER_FRONT (Cover (front)) b'Cover Image'
                                     
'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'The Best of Sade'
'TBPM' (BPM (beats per minute))                     '128.904'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '1994'
'TIT2' (Title/songname/content description)         'Kiss of Life'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sade'
'TPE2' (Band/orchestra/accompaniment)               'Sade'
'TRCK' (Track number/Position in set)               '13'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['vocal', 'funk / soul', 'pop']
'TXXX:lastfmtags'                                   ['love', 'jazz', 'female vocalists', 'soul']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.61 dB'
'TXXX:replaygain_track_peak'                        '0.700220'

========================== row from database ==========================
                                              'id'  679249
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Sade/The Best of Sade/MBZ;#Sade;#The Best of Sade;#13;#Kiss of Life.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  250
                                           'genre'  rock-unsorted
                                        'filesize'  10043406
                                           'mtime'  1620380586
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country MBZ;#Sade;#The Sade;#13;#Kiss rock unsorted
                                      'tag_artist'  Sade
                                     'tag_release'  The Best of Sade
                                       'tag_title'  Kiss of Life
                                             'bpm'  128.904
                                    'search_title'  'kiss':1 'life':3 'of':2
                                   'search_artist'  'sade':1
                                  'search_release'  'best':2 'of':3 'sade':4 'the':1
                                     'search_rest'  '13':12,15 'country':4 'exotica':2 'jazz':1 'kiss':13,16 'mbz':5,8 'oldies':3 'rock':17 'sade':6,9,11,14 'the':7,10 'unsorted':18
                                    'search_combo'  '13':20,23 'best':6C 'country':12 'exotica':10 'jazz':9 'kiss':1A,21,24 'life':3A 'mbz':13,16 'of':2A,7C 'oldies':11 'rock':25 'sade':4B,8C,14,17,19,22 'the':5C,15,18 'unsorted':26
                                    'tag_tracknum'  13
                                      'num_images'  1
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', '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-4', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['love', 'jazz', 'female vocalists', 'soul']
                                        'tag_date'  1994
                                     'discogstags'  ['vocal', 'funk / soul', 'pop']

============================== file details ==============================
                                           'mtime'  1620380586.449452  (2021-05-07 11:43:06)
                             'size'  10043406