<pre>
======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '266'
                                          'artist'  'COUNTRY JOE &amp; THE FISH'
                                     'text_people'  ''
                                         'release'  'Electric Music For The Mind And Body'
                                           'title'  'Death Sound Blues'
                                           'quals'  ("['q-bass-4', 'q-play-3', 'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', "
 "'q-vocals-2']")
                                      'lastfmtags'  "['rock', 'psychedelic rock', '60s', 'psychedelic', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '03'
                                      'tracktotal'  ' 11'
                                            'date'  '1967'
                                        'comments'  ''
                                           'genre'  'rock-cpp-psychedelic'
                                             'bpm'  '127.685'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================<mutagen.mp3.MPEGInfo object at 0x7f95382daf10>

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''<br/>                                     <img style="width:150px" src="image?fid=1414685"/>
'TALB' (Album/Movie/Show title)                     'Electric Music For The Mind And Body'
'TBPM' (BPM (beats per minute))                     '127.685'
'TCON' (Content type, a.k.a. Genre)                 'rock-cpp-psychedelic'
'TDRC' (Recording time)                             '1967'
'TIT2' (Title/songname/content description)         'Death Sound Blues'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Country Joe And The Fish'
'TPE2' (Band/orchestra/accompaniment)               'COUNTRY JOE &amp; THE FISH'
'TRCK' (Track number/Position in set)               '03/ 11'
'TXXX:lastfmtags'                                   ['rock', 'psychedelic rock', '60s', 'psychedelic', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.25 dB'
'TXXX:replaygain_track_peak'                        '0.670022'

========================== row from database ==========================
                                              'id'  1414685
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/COUNTRY JOE & THE FISH - Country Joe and the Fish/COUNTRY JOE & THE FISH - Electric Music For The Mind And Body (1967)/country joe & the fish [67][electric music for the mind an] 03 - death sound blues.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  266
                                           'genre'  rock-cpp-psychedelic
                                        'filesize'  6433126
                                           'mtime'  1620174225
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy Country Joe and the Fish (1967) country joe the fish [67][electric music for the mind an] 03 death sound blues rock cpp psychedelic
                                      'tag_artist'  COUNTRY JOE & THE FISH
                                     'tag_release'  Electric Music For The Mind And Body
                                       'tag_title'  Death Sound Blues
                                             'bpm'  127.685
                                    'search_title'  'blues':3 'death':1 'sound':2
                                   'search_artist'  'country':1 'fish':4 'joe':2 'the':3
                                  'search_release'  'and':6 'body':7 'electric':1 'for':3 'mind':5 'music':2 'the':4
                                     'search_rest'  '1967':7,8 '67':9 '67electric':11 'an':15,16 'and':4 'blues':19 'classicprogpsy':1 'country':2 'cpp':21 'death':17 'electric':10 'fish':6 'for':13 'joe':3 'mind':14 'music':12 'psychedelic':22 'rock':20 'sound':18 'the':5
                                    'search_combo'  '1967':21,22 '67':23 '67electric':25 'an':29,30 'and':13C,18 'blues':3A,33 'body':14C 'classicprogpsy':15 'country':4B,16 'cpp':35 'death':1A,31 'electric':8C,24 'fish':7B,20 'for':10C,27 'joe':5B,17 'mind':12C,28 'music':9C,26 'psychedelic':36 'rock':34 'sound':2A,32 'the':6B,11C,19
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['q-chart-1', 'q-drums-4', 'q-vocals-2', 'q-other-3', 'q-play-3', 'q-piano-1', 'q-bass-4']
                                      'lastfmtags'  ['rock', 'psychedelic rock', '60s', 'psychedelic', 'classic rock']
                                        'tag_date'  1967
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620174225.386096  (2021-05-05 02:23:45)
                             'size'  6433126