======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '191'
                                          'artist'  'Sly & The Family Stone'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Play That Funky Music Whiteboy'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-UNU-1', 'Q-JZFKS-4', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['classic rock', 'rhythm and blues', 'soul', 'funk', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'funk or soul-funk'
                                             'bpm'  '109.349'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '109.349'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul-funk'
'TIT2' (Title/songname/content description)         'Play That Funky Music Whiteboy'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sly & The Family Stone'
'TXXX:Mp3gain_minmax'                               '109,186'
'TXXX:Mp3gain_undo'                                 '+003,+003,N'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '4'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['classic rock', 'rhythm and blues', 'soul', 'funk', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'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'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.24 dB'
'TXXX:replaygain_track_peak'                        '0.536192'

========================== row from database ==========================
                                              'id'  786018
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Sly and the Family Stone/Sly & The Family Stone - Play That Funky Music Whiteboy.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  191
                                           'genre'  funk or soul-funk
                                        'filesize'  3073952
                                           'mtime'  1620665554
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country and the funk or soul funk
                                      'tag_artist'  Sly & The Family Stone
                                     'tag_release'  None
                                       'tag_title'  Play That Funky Music Whiteboy
                                             'bpm'  109.349
                                    'search_title'  'funky':3 'music':4 'play':1 'that':2 'whiteboy':5
                                   'search_artist'  'family':3 'sly':1 'stone':4 'the':2
                                  'search_release'  
                                     'search_rest'  'and':5 'country':4 'exotica':2 'funk':7 'jazz':1 'oldies':3 'or':8 'soul':9 'the':6
                                    'search_combo'  'and':14 'country':13 'exotica':11 'family':8B 'funk':16 'funky':3A 'jazz':10 'music':4A 'oldies':12 'or':17 'play':1A 'sly':6B 'soul':18 'stone':9B 'that':2A 'the':7B,15 'whiteboy':5A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-4', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['classic rock', 'rhythm and blues', 'soul', 'funk', 'rock']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620665553.5733042  (2021-05-10 18:52:33)
                             'size'  3073952