======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '236'
                                          'artist'  'Isaac Hayes'
                                     'text_people'  ''
                                         'release'  'Chef Aid: The South Park Album'
                                           'title'  'Chocolate Salty Balls (P.S. I Love You)'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-JZFKS-3', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['soundtrack', 'rnb', 'rhythm and blues', 'soul', 'funk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '03'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '120.974'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.OTHER (Other) b''
                                     
'COMM:ID3v1 Comment:XXX'                            'Moderate'
'COMM:MusicMatch_Mood:eng'                          'Wild'
'COMM:MusicMatch_Preference:eng'                    'Good'
'COMM:MusicMatch_Situation:eng'                     'Party'
'COMM:MusicMatch_Tempo:eng'                         'Moderate'
'PCNT' (Play counter)                               PCNT(count=0)
'TALB' (Album/Movie/Show title)                     'Chef Aid: The South Park Album'
'TBPM' (BPM (beats per minute))                     '120.974'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TIT2' (Title/songname/content description)         'Chocolate Salty Balls (P.S. I Love You)'
'TKEY' (Initial key)                                '2A'
'TLEN' (Length)                                     '236040'
'TMED' (Media type)                                 'UNKNOWN'
'TPE1' (Lead performer(s)/Soloist(s))               'Isaac Hayes'
'TRCK' (Track number/Position in set)               '03'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soundtrack', 'rnb', 'rhythm and blues', 'soul', 'funk']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.02 dB'
'TXXX:replaygain_track_peak'                        '0.536820'

========================== row from database ==========================
                                              'id'  1316185
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Isaac Hayes - Chocolate salty balls.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  236
                                           'genre'  funk or soul
                                        'filesize'  3778432
                                           'mtime'  1628357952
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] salty balls funk or soul
                                      'tag_artist'  Isaac Hayes
                                     'tag_release'  Chef Aid: The South Park Album
                                       'tag_title'  Chocolate Salty Balls (P.S. I Love You)
                                             'bpm'  120.974
                                    'search_title'  'balls':3 'chocolate':1 'i':7 'love':8 'p':4 'ps':6 's':5 'salty':2 'you':9,10
                                   'search_artist'  'hayes':2 'isaac':1
                                  'search_release'  'aid':2,3 'album':7 'chef':1 'park':6 'south':5 'the':4
                                     'search_rest'  '00poprockelectronic':1 'balls':8 'files':5,6 'funk':9 'loose':3,4 'or':10 'salty':7 'soul':11 'unsorted':2
                                    'search_combo'  '00poprockelectronic':20 'aid':14C,15C 'album':19C 'balls':3A,27 'chef':13C 'chocolate':1A 'files':24,25 'funk':28 'hayes':12B 'i':7A 'isaac':11B 'loose':22,23 'love':8A 'or':29 'p':4A 'park':18C 'ps':6A 's':5A 'salty':2A,26 'soul':30 'south':17C 'the':16C 'unsorted':21 'you':9A,10A
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'rnb', 'rhythm and blues', 'soul', 'funk']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357952.3558867  (2021-08-07 19:39:12)
                             'size'  3778432