Error when active hotlink

hello, as you can see in the picture I have enabled the hotlink: http://prntscr.com/cvobtk

but it does not work, because if you open a new tab or in incognito and paste the url you download it, when in fact you have to take the princpal page? or it is that it can work, I want only to download the files if they are on my website …:

Post link: http://www.lemusic.org/vamos-que-va-ft-canto-para-bailar-hoy-se-sale-fuerte/

File download link: http://www.lemusic.org/download/vamos-que-va-ft-canto-para-bailar-hoy-se-sale-fuerte/