======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '202'
                                          'artist'  'Carl Fenton'
                                     'text_people'  ''
                                         'release'  'Brunswick  2097'
                                           'title'  'That Naughty Waltz (+ Rudy Wiedoeft)'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1920'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '84.1'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TALB' (Album/Movie/Show title)                     'Brunswick  2097'
'TBPM' (BPM (beats per minute))                     '84.1'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1920-12'
'TIT2' (Title/songname/content description)         'That Naughty Waltz (+ Rudy Wiedoeft)'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '202000'
'TPE1' (Lead performer(s)/Soloist(s))               'Carl Fenton'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.14 dB'
'TXXX:replaygain_track_peak'                        '0.913677'
'UFID:http://www.cddb.com/id3/taginfo1.html'        UFID(owner='http://www.cddb.com/id3/taginfo1.html', data=b'3CD3N71R47646350V0810B805E5F2C2A90D805D5F43C67C5476P5')

========================== row from database ==========================
                                              'id'  1459184
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1920/Carl Fenton - That Naughty Waltz (+ Rudy Wiedoeft) -12-1920.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  202
                                           'genre'  prerock-swing
                                        'filesize'  4172341
                                           'mtime'  1620559364
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1920 12 1920 prerock swing
                                      'tag_artist'  Carl Fenton
                                     'tag_release'  Brunswick  2097
                                       'tag_title'  That Naughty Waltz (+ Rudy Wiedoeft)
                                             'bpm'  84.1
                                    'search_title'  'naughty':2 'rudy':4 'that':1 'waltz':3 'wiedoeft':5,6
                                   'search_artist'  'carl':1 'fenton':2
                                  'search_release'  '2097':2 'brunswick':1
                                     'search_rest'  '00oldiepop':5 '1920':6 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':7 'swing':8
                                    'search_combo'  '00oldiepop':15 '1920':16 '2097':10C 'brunswick':9C 'carl':7B 'country':14 'exotica':12 'fenton':8B 'jazz':11 'naughty':2A 'oldies':13 'prerock':17 'rudy':4A 'swing':18 'that':1A 'waltz':3A 'wiedoeft':5A,6A
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1920
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620559363.8187087  (2021-05-09 13:22:43)
                             'size'  4172341