======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '278'
                                          'artist'  'Bob Sinclair'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'My Only Love (Erick Morillo &'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-3', 'q-bass-3', '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-2']")
                                      'lastfmtags'  "['house', 'dance', 'electronic', 'french', 'club']"
                                     'discogstags'  "['blues', 'chanson', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '127.927'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '127.927'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TIT2' (Title/songname/content description)         'My Only Love (Erick Morillo &'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bob Sinclair'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['blues', 'chanson', 'pop']
'TXXX:lastfmtags'                                   ['house', 'dance', 'electronic', 'french', 'club']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.73 dB'
'TXXX:replaygain_track_peak'                        '0.547552'

========================== row from database ==========================
                                              'id'  1456656
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/00mixable/Bob Sinclair/My Only Love (Erick Morillo & Harry Choo Choo Romero Remix).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  278
                                           'genre'  electronic-unsorted
                                        'filesize'  6684195
                                           'mtime'  1621630005
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat 00mixable Harry Choo Choo Romero Remix) electronic unsorted
                                      'tag_artist'  Bob Sinclair
                                     'tag_release'  None
                                       'tag_title'  My Only Love (Erick Morillo &
                                             'bpm'  127.927
                                    'search_title'  'erick':4,5 'love':3 'morillo':6 'my':1 'only':2
                                   'search_artist'  'bob':1 'sinclair':2
                                  'search_release'  
                                     'search_rest'  '00mixable':5 '00poprockelectronic':1 'choo':7 'dance':3 'electronic':11 'generic':2 'harry':6 'remix':9,10 'romero':8 'trapbeat':4 'unsorted':12
                                    'search_combo'  '00mixable':13 '00poprockelectronic':9 'bob':7B 'choo':15 'dance':11 'electronic':19 'erick':4A,5A 'generic':10 'harry':14 'love':3A 'morillo':6A 'my':1A 'only':2A 'remix':17,18 'romero':16 'sinclair':8B 'trapbeat':12 'unsorted':20
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['house', 'dance', 'electronic', 'french', 'club']
                                        'tag_date'  
                                     'discogstags'  ['blues', 'chanson', 'pop']

============================== file details ==============================
                                           'mtime'  1621630004.6790888  (2021-05-21 22:46:44)
                             'size'  6684195