======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '167'
                                          'artist'  'Ernest Gray'
                                     'text_people'  ''
                                         'release'  'Winner 2144 (289)'
                                           'title'  'Stand To Your Post'
                                           '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-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['pop', 'vocal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1912'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '86.8'
                                             'key'  '8A'
                                        '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)                     'Winner 2144 (289)'
'TBPM' (BPM (beats per minute))                     '86.8'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1912'
'TIT2' (Title/songname/content description)         'Stand To Your Post'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '167000'
'TPE1' (Lead performer(s)/Soloist(s))               'Ernest Gray'
'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:discogstags'                                  ['pop', 'vocal']
'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'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.48 dB'
'TXXX:replaygain_track_peak'                        '0.600279'

========================== row from database ==========================
                                              'id'  1461597
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1912/Ernest Gray - Stand to Your Post (In Rememberance of the Titanic) 1912.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  167
                                           'genre'  prerock-unsorted
                                        'filesize'  3422313
                                           'mtime'  1621697769
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1912 to (In Rememberance of the Titanic) 1912 prerock unsorted
                                      'tag_artist'  Ernest Gray
                                     'tag_release'  Winner 2144 (289)
                                       'tag_title'  Stand To Your Post
                                             'bpm'  86.8
                                    'search_title'  'post':4 'stand':1 'to':2 'your':3
                                   'search_artist'  'ernest':1 'gray':2
                                  'search_release'  '2144':2 '289':3,4 'winner':1
                                     'search_rest'  '00oldiepop':5 '1912':6 'country':4 'exotica':2 'in':8,9 'jazz':1 'of':11 'oldies':3 'prerock':15 'rememberance':10 'the':12 'titanic':13,14 'to':7 'unsorted':16
                                    'search_combo'  '00oldiepop':15 '1912':16 '2144':8C '289':9C,10C 'country':14 'ernest':5B 'exotica':12 'gray':6B 'in':18,19 'jazz':11 'of':21 'oldies':13 'post':4A 'prerock':25 'rememberance':20 'stand':1A 'the':22 'titanic':23,24 'to':2A,17 'unsorted':26 'winner':7C 'your':3A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  8A
                                           '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-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['q-vocals-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-1', 'q-bass-1', 'q-grit-1']
                                        'tag_date'  1912
                                     'discogstags'  ['pop', 'vocal']

============================== file details ==============================
                                           'mtime'  1621697768.9145901  (2021-05-22 17:36:08)
                             'size'  3422313