======================== unified (from filesystem) ========================
                                         'bitrate'  '64.0'
                                        'duration'  '193'
                                          'artist'  'Peggy Lee & Benny Goodman'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'The Way You Look Tonight'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['10 of 10 stars', 'american', 'jazz', 'female vocalists', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1950'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-soft-swing;prerock-jb-jazz-vocal'
                                             'bpm'  '105.808'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '105.808'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-jazz-soft-swing', 'prerock-jb-jazz-vocal']
'TDRC' (Recording time)                             '1950'
'TIT2' (Title/songname/content description)         'The Way You Look Tonight'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Peggy Lee & Benny Goodman'
'TXXX:Mp3gain_minmax'                               '107,180'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['10 of 10 stars', 'american', 'jazz', 'female vocalists', 'swing']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.60 dB'
'TXXX:replaygain_track_peak'                        '0.553914'

========================== row from database ==========================
                                              'id'  793922
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Lee, Peggy/Peggy Lee & Benny Goodman - The Way You Look Tonight.mp3
                                         'working'  None
                                         'bitrate'  64
                                    'duration_sec'  193
                                           'genre'  prerock-jb-jazz-soft-swing;prerock-jb-jazz-vocal
                                        'filesize'  1553890
                                           'mtime'  1620531316
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Lee, prerock jb jazz soft swing;prerock jb jazz vocal
                                      'tag_artist'  Peggy Lee & Benny Goodman
                                     'tag_release'  None
                                       'tag_title'  The Way You Look Tonight
                                             'bpm'  105.808
                                    'search_title'  'look':4 'the':1 'tonight':5 'way':2 'you':3
                                   'search_artist'  'benny':3 'goodman':4 'lee':2 'peggy':1
                                  'search_release'  
                                     'search_rest'  'country':4 'exotica':2 'jazz':1 'jb':8 'lee':5,6 'oldies':3 'prerock':7,11,13 'soft':9 'swing':10,12 'vocal':14
                                    'search_combo'  'benny':8B 'country':13 'exotica':11 'goodman':9B 'jazz':10 'jb':17 'lee':7B,14,15 'look':4A 'oldies':12 'peggy':6B 'prerock':16,20,22 'soft':18 'swing':19,21 'the':1A 'tonight':5A 'vocal':23 'way':2A 'you':3A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['10 of 10 stars', 'american', 'jazz', 'female vocalists', 'swing']
                                        'tag_date'  1950
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620531315.8952093  (2021-05-09 05:35:15)
                             'size'  1553890