======================== unified (from filesystem) ========================
                                         'bitrate'  '191.702'
                                        'duration'  '486'
                                          'artist'  'Isolée'
                                     'text_people'  ''
                                         'release'  'Brazil.com'
                                           'title'  'Brazil.com (Tiefschwarz Ole Ole remix)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'house', 'minimal techno', 'techno', 'electronic', 'minimal']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '129.979'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Brazil.com'
'TBPM' (BPM (beats per minute))                     '129.979'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TIT2' (Title/songname/content description)         'Brazil.com (Tiefschwarz Ole Ole remix)'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Isolée'
'TRCK' (Track number/Position in set)               '4'
'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:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'house', 'minimal techno', 'techno', 'electronic', 'minimal']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.50 dB'
'TXXX:replaygain_track_peak'                        '0.712568'

========================== row from database ==========================
                                              'id'  1301197
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Isolee -  -  - Brazil.Com (Tiefschwarz Ole Ole Remix).mp3
                                         'working'  None
                                         'bitrate'  191
                                    'duration_sec'  486
                                           'genre'  electronic-th-techno
                                        'filesize'  11670761
                                           'mtime'  1620572844
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] Isolee Brazil.Com Remix) electronic th techno
                                      'tag_artist'  Isolée
                                     'tag_release'  Brazil.com
                                       'tag_title'  Brazil.com (Tiefschwarz Ole Ole remix)
                                             'bpm'  129.979
                                    'search_title'  'brazil':1 'brazilcom':3 'com':2 'ole':6 'remix':7,8 'tiefschwarz':4,5
                                   'search_artist'  'isolee':1,2
                                  'search_release'  'brazil':1 'brazilcom':3 'com':2
                                     'search_rest'  '00poprockelectronic':1 'brazil':8 'brazilcom':10 'com':9 'electronic':13 'files':5,6 'isolee':7 'loose':3,4 'remix':11,12 'techno':15 'th':14 'unsorted':2
                                    'search_combo'  '00poprockelectronic':14 'brazil':1A,11C,21 'brazilcom':3A,13C,23 'com':2A,12C,22 'electronic':26 'files':18,19 'isolee':9B,10B,20 'loose':16,17 'ole':6A 'remix':7A,8A,24,25 'techno':28 'th':27 'tiefschwarz':4A,5A 'unsorted':15
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'house', 'minimal techno', 'techno', 'electronic', 'minimal']
                                        'tag_date'  
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620572843.991805  (2021-05-09 17:07:23)
                             'size'  11670761