Folders missing after Yosemite upgrade

Hello there,

After upgrade my MacBook Pro with OS Yosemite, I sadly realise that the folders 'Movies' 'Pictures' and 'Music' are not anymore in 'Finder'.

The only folder still there is 'Documents' - with all the documents in order as before.

All my music pix and movies are definitely still there somewhere as are shown in the section 'All my Files' but all together in a really messy mix!!! 😮

Can please somebody help me to fix this? It's soon frustrating!

Thanks a lot!!