======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '198'
                                          'artist'  'Erskine Hawkins & His Orchestra & Jimmy Mitchelle'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  ("105 Don't cry baby - Erskine Hawkins & His Orchestra & Jimmy Mitchelle "
 '(11-09-1943)')
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '105'
                                      'tracktotal'  ''
                                            'date'  '1943'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '136.551'
                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '136.551'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1943'
'TIT2' (Title/songname/content description)         ("105 Don't cry baby - Erskine Hawkins & His Orchestra & Jimmy Mitchelle "
 '(11-09-1943)')
'TKEY' (Initial key)                                '3B'
'TPE1' (Lead performer(s)/Soloist(s))               'Erskine Hawkins & His Orchestra & Jimmy Mitchelle'
'TRCK' (Track number/Position in set)               '105'
'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'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.80 dB'
'TXXX:replaygain_track_peak'                        '0.383966'

========================== row from database ==========================
                                              'id'  1497892
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1943/105 Don_t cry baby - Erskine Hawkins & His Orchestra & Jimmy Mitchelle (11-09-1943).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  198
                                           'genre'  prerock-swing
                                        'filesize'  3186544
                                           'mtime'  1620561842
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop Don_t prerock swing
                                      'tag_artist'  Erskine Hawkins & His Orchestra & Jimmy Mitchelle
                                     'tag_release'  None
                                       'tag_title'  105 Don't cry baby - Erskine Hawkins & His Orchestra & Jimmy Mitchelle (11-09-1943)
                                             'bpm'  136.551
                                    'search_title'  '09':14 '105':1 '11':13 '11091943':16 '1943':15 'baby':6 'cry':5 'don':2 'dont':4 'erskine':7 'hawkins':8 'his':9 'jimmy':11 'mitchelle':12 'orchestra':10 't':3
                                   'search_artist'  'erskine':1 'hawkins':2 'his':3 'jimmy':5 'mitchelle':6 'orchestra':4
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 'country':4 'don':6 'exotica':2 'jazz':1 'oldies':3 'prerock':8 'swing':9 't':7
                                    'search_combo'  '00oldiepop':27 '09':14A '105':1A '11':13A '11091943':16A '1943':15A 'baby':6A 'country':26 'cry':5A 'don':2A,28 'dont':4A 'erskine':7A,17B 'exotica':24 'hawkins':8A,18B 'his':9A,19B 'jazz':23 'jimmy':11A,21B 'mitchelle':12A,22B 'oldies':25 'orchestra':10A,20B 'prerock':30 'swing':31 't':3A,29
                                    'tag_tracknum'  105
                                      'num_images'  0
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1943
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620561841.6263576  (2021-05-09 14:04:01)
                             'size'  3186544