======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '179'
                                          'artist'  'Jules Ruben Trio'
                                     'text_people'  ''
                                         'release'  'Decca F 5156'
                                           'title'  'Me And The Moon (Jules Ruben & Jack May Pno, Nat Burman Dms)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'Q-PLAY-2', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-vocals-1', 'q-mixbeat-1', "
 "'Q-PIANO-4']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1936'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '144.748'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Decca F 5156'
'TBPM' (BPM (beats per minute))                     '144.748'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1936'
'TIT2' (Title/songname/content description)         'Me And The Moon (Jules Ruben & Jack May Pno, Nat Burman Dms)'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jules Ruben Trio'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.93 dB'
'TXXX:replaygain_track_peak'                        '0.653915'

========================== row from database ==========================
                                              'id'  1435435
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1936/Jules Ruben Trio - Me And The Moon (Jules Ruben & Jack May pno, Nat Burman dms) 10-11-1936.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  179
                                           'genre'  prerock-unsorted
                                        'filesize'  3600713
                                           'mtime'  1621697996
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1936 pno, dms) 10 11 1936 prerock unsorted
                                      'tag_artist'  Jules Ruben Trio
                                     'tag_release'  Decca F 5156
                                       'tag_title'  Me And The Moon (Jules Ruben & Jack May Pno, Nat Burman Dms)
                                             'bpm'  144.748
                                    'search_title'  'and':2 'burman':13 'dms':14,15 'jack':8 'jules':5,6 'may':9 'me':1 'moon':4 'nat':12 'pno':10,11 'ruben':7 'the':3
                                   'search_artist'  'jules':1 'ruben':2 'trio':3
                                  'search_release'  '5156':3 'decca':1 'f':2
                                     'search_rest'  '00oldiepop':5 '1936':6 'country':4 'dms':9,10 'exotica':2 'jazz':1 'oldies':3 'pno':7,8 'prerock':11 'unsorted':12
                                    'search_combo'  '00oldiepop':26 '1936':27 '5156':21C 'and':2A 'burman':13A 'country':25 'decca':19C 'dms':14A,15A,30,31 'exotica':23 'f':20C 'jack':8A 'jazz':22 'jules':5A,6A,16B 'may':9A 'me':1A 'moon':4A 'nat':12A 'oldies':24 'pno':10A,11A,28,29 'prerock':32 'ruben':7A,17B 'the':3A 'trio':18B 'unsorted':33
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-4', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1936
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621697995.707163  (2021-05-22 17:39:55)
                             'size'  3600713