======================== unified (from filesystem) ========================
                                         'bitrate'  '165.271'
                                        'duration'  '249'
                                          'artist'  'Carmen McRae & Shirley Horn Tr'
                                     'text_people'  ''
                                         'release'  'Jazz Cafe - The Singers'
                                           'title'  'Misty'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'Q-PIANO-3', 'q-chart-2', 'q-drums-2', 'q-other-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-vocal'
                                             'bpm'  '122.363'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'Jazz Cafe - The Singers'
'TBPM' (BPM (beats per minute))                     '122.363'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-vocal'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Misty'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Carmen McRae & Shirley Horn Tr'
'TPE2' (Band/orchestra/accompaniment)               'Carmen McRae & Shirley Horn Tr'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:MP3GAIN_MINMAX'                               '142,255'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.84 dB'
'TXXX:replaygain_track_peak'                        '0.835811'

========================== row from database ==========================
                                              'id'  677960
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Unsorted/Carmen McRae & Shirley Horn Tr__Jazz Cafe - The Singers__Misty.mp3
                                         'working'  None
                                         'bitrate'  165
                                    'duration_sec'  249
                                           'genre'  prerock-jb-jazz-vocal
                                        'filesize'  5157714
                                           'mtime'  1620536955
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Unsorted Tr__Jazz Singers__Misty prerock jb jazz vocal
                                      'tag_artist'  Carmen McRae & Shirley Horn Tr
                                     'tag_release'  Jazz Cafe - The Singers
                                       'tag_title'  Misty
                                             'bpm'  122.363
                                    'search_title'  'misty':1
                                   'search_artist'  'carmen':1 'horn':4 'mc':6 'mcrae':2 'rae':7 'shirley':3 'tr':5
                                  'search_release'  'cafe':2 'jazz':1 'singers':4 'the':3
                                     'search_rest'  'country':4 'exotica':2 'jazz':1,7 'jb':11 'misty':9 'oldies':3 'prerock':10 'singers':8 'tr':6 'unsorted':5 'vocal':12
                                    'search_combo'  'cafe':10C 'carmen':2B 'country':16 'exotica':14 'horn':5B 'jazz':9C,13,19 'jb':23 'mc':7B 'mcrae':3B 'misty':1A,21 'oldies':15 'prerock':22 'rae':8B 'shirley':4B 'singers':12C,20 'the':11C 'tr':6B,18 'unsorted':17 'vocal':24
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620536954.6433723  (2021-05-09 07:09:14)
                             'size'  5157714