fix typo and lower default volume
fix typo and lower default volume

sneh1234/musicblocks,tradzik/musicblocks,tradzik/musicblocks,pikurasa/musicblocks,sneh1234/musicblocks,pikurasa/musicblocks,tradzik/musicblocks,hemantkasat/musicblocks,pikurasa/musicblocks,Kachachan/musicblocks,Kachachan/musicblocks,hemantkasat/musicblocks,khandelwalYash/musicblocks-1,sneh1234/musicblocks,hemantkasat/musicblocks,Kachachan/musicblocks,khandelwalYash/musicblocks-1,khandelwalYash/musicblocks-1