======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '181'
                                          'artist'  'Pee Wee Russell'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "Zutty's Hootie Blues (horn Of Plenty Blues)"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['clarinet', 'jazz', 'jazz clarinet', 'swing']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1938'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '99.1'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TBPM' (BPM (beats per minute))                     '99.1'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1938-08-31'
'TIT2' (Title/songname/content description)         "Zutty's Hootie Blues (horn Of Plenty Blues)"
'TKEY' (Initial key)                                '5B'
'TLEN' (Length)                                     '181000'
'TPE1' (Lead performer(s)/Soloist(s))               'Pee Wee Russell'
'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:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['clarinet', 'jazz', 'jazz clarinet', 'swing']
'TXXX:q-bass'                                       '1'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.06 dB'
'TXXX:replaygain_track_peak'                        '0.647967'

========================== row from database ==========================
                                              'id'  1521413
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1938/Pee Wee Russell - Zutty_s Hootie Blues (Horn Of Plenty Blues) 31-8-1938.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  181
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  3679047
                                           'mtime'  1620526714
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1938 Zutty_s (Horn 31 8 1938 prerock jb jazz unsorted
                                      'tag_artist'  Pee Wee Russell
                                     'tag_release'  None
                                       'tag_title'  Zutty's Hootie Blues (horn Of Plenty Blues)
                                             'bpm'  99.1
                                    'search_title'  'blues':5,10 'hootie':4 'horn':6,7 'of':8 'plenty':9 's':2 'zutty':1 'zuttys':3
                                   'search_artist'  'pee':1 'russell':3 'wee':2
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1938':6 '31':11 '8':12 'country':4 'exotica':2 'horn':9,10 'jazz':1 'jb':14 'oldies':3 'prerock':13 's':8 'unsorted':15 'zutty':7
                                    'search_combo'  '00oldiepop':18 '1938':19 '31':24 '8':25 'blues':5A,10A 'country':17 'exotica':15 'hootie':4A 'horn':6A,7A,22,23 'jazz':14 'jb':27 'of':8A 'oldies':16 'pee':11B 'plenty':9A 'prerock':26 'russell':13B 's':2A,21 'unsorted':28 'wee':12B 'zutty':1A,20 'zuttys':3A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  5B
                                           '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-2', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['clarinet', 'jazz', 'jazz clarinet', 'swing']
                                        'tag_date'  1938
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620526714.3722198  (2021-05-09 04:18:34)
                             'size'  3679047