======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '162'
                                          'artist'  "Vic's Fabulous FIFTIES"
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Tumbala-Lika'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  ''
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '100.856'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '100.856'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1960'
'TENC' (Encoded by)                                 'Winamp 5.541'
'TIT2' (Title/songname/content description)         'Tumbala-Lika'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Barry Sisters'
'TPE2' (Band/orchestra/accompaniment)               "Vic's Fabulous FIFTIES"
'TPOS' (Part of a set)                              '4/5'
'TRCK' (Track number/Position in set)               '17'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.80 dB'
'TXXX:replaygain_track_peak'                        '0.506624'
'UFID:http://www.cddb.com/id3/taginfo1.html'        UFID(owner='http://www.cddb.com/id3/taginfo1.html', data=b'3CD3N63Q177931060U3887D64EAD9525FC15409F5DB754BB7DAAFP4')

========================== row from database ==========================
                                              'id'  722440
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/BARRY SISTERS/Tumbala-Lika.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  162
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  6522210
                                           'mtime'  1620528176
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country BARRY SISTERS prerock jb jazz unsorted
                                      'tag_artist'  Vic's Fabulous FIFTIES
                                     'tag_release'  None
                                       'tag_title'  Tumbala-Lika
                                             'bpm'  100.856
                                    'search_title'  'lika':2 'tumbala':1 'tumbalalika':3
                                   'search_artist'  'fabulous':4 'fifties':5 's':2 'vic':1 'vics':3
                                  'search_release'  
                                     'search_rest'  'barry':5 'country':4 'exotica':2 'jazz':1 'jb':8 'oldies':3 'prerock':7 'sisters':6 'unsorted':9
                                    'search_combo'  'barry':13 'country':12 'exotica':10 'fabulous':7B 'fifties':8B 'jazz':9 'jb':16 'lika':2A 'oldies':11 'prerock':15 's':5B 'sisters':14 'tumbala':1A 'tumbalalika':3A 'unsorted':17 'vic':4B 'vics':6B
                                    'tag_tracknum'  17
                                      'num_images'  0
                                             'key'  3A
                                           '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-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1960
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528176.0058599  (2021-05-09 04:42:56)
                             'size'  6522210