======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '353'
                                          'artist'  'Pete Namlook & Bill Laswell'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'African Virus (Electronic Sonata With A Cold Loved By Nature) Part V'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-2', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['ambient dub', 'electronic', 'dub', 'laswellian', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-drone'
                                             'bpm'  '140.4'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '140.4'
'TCON' (Content type, a.k.a. Genre)                 'electronic-drone'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'African Virus (Electronic Sonata With A Cold Loved By Nature) Part V'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Pete Namlook & Bill Laswell'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['ambient dub', 'electronic', 'dub', 'laswellian', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.10 dB'
'TXXX:replaygain_track_peak'                        '0.568235'

========================== row from database ==========================
                                              'id'  1425549
                                            'path'  /data/Music/Bulk/00poprockelectronic/00drone/Pete Namlook & Bill Laswell - African Virus (Electronic Sonata With A Cold Loved By Nature) Part V.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  353
                                           'genre'  electronic-drone
                                        'filesize'  7065768
                                           'mtime'  1636913061
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00drone electronic drone
                                      'tag_artist'  Pete Namlook & Bill Laswell
                                     'tag_release'  None
                                       'tag_title'  African Virus (Electronic Sonata With A Cold Loved By Nature) Part V
                                             'bpm'  140.4
                                    'search_title'  'a':7 'african':1 'by':10 'cold':8 'electronic':3,4 'loved':9 'nature':11,12 'part':13 'sonata':5 'v':14 'virus':2 'with':6
                                   'search_artist'  'bill':3 'laswell':4 'namlook':2 'pete':1
                                  'search_release'  
                                     'search_rest'  '00drone':2 '00poprockelectronic':1 'drone':4 'electronic':3
                                    'search_combo'  '00drone':20 '00poprockelectronic':19 'a':7A 'african':1A 'bill':17B 'by':10A 'cold':8A 'drone':22 'electronic':3A,4A,21 'laswell':18B 'loved':9A 'namlook':16B 'nature':11A,12A 'part':13A 'pete':15B 'sonata':5A 'v':14A 'virus':2A 'with':6A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['ambient dub', 'electronic', 'dub', 'laswellian', 'ambient']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636913060.5758755  (2021-11-14 19:04:20)
                             'size'  7065768