======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '169'
                                          'artist'  'Unknown British Band'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "I've Got A Lovely Bunch Of Coconuts"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', '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-1', 'q-other-4', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1949'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '129.896'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '129.896'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1949'
'TIT2' (Title/songname/content description)         "I've Got A Lovely Bunch Of Coconuts"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Unknown British Band'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.50 dB'
'TXXX:replaygain_track_peak'                        '0.395019'

========================== row from database ==========================
                                              'id'  1503496
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1949/Unknown British Band - I_ve Got A Lovely Bunch Of Coconuts 1949.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  169
                                           'genre'  prerock-unsorted
                                        'filesize'  3393348
                                           'mtime'  1621698111
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1949 I_ve 1949 prerock unsorted
                                      'tag_artist'  Unknown British Band
                                     'tag_release'  None
                                       'tag_title'  I've Got A Lovely Bunch Of Coconuts
                                             'bpm'  129.896
                                    'search_title'  'a':5 'bunch':7 'coconuts':9 'got':4 'i':1 'ive':3 'lovely':6 'of':8 've':2
                                   'search_artist'  'band':3 'british':2 'unknown':1
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1949':6 'country':4 'exotica':2 'i':7 'jazz':1 'oldies':3 'prerock':9 'unsorted':10 've':8
                                    'search_combo'  '00oldiepop':17 '1949':18 'a':5A 'band':12B 'british':11B 'bunch':7A 'coconuts':9A 'country':16 'exotica':14 'got':4A 'i':1A,19 'ive':3A 'jazz':13 'lovely':6A 'of':8A 'oldies':15 'prerock':21 'unknown':10B 'unsorted':22 've':2A,20
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1949
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621698110.8296614  (2021-05-22 17:41:50)
                             'size'  3393348