troubling ppa's

[notoneofmyseeds <notoneofmyseeds@gmx.de>]

Can someone please say where I can find, for I have looked/googled, 
these working ppa's as the ones below all give me 404 errors:

W: Failed to fetch 
http://ppa.launchpad.net/gmpc-trunk/mpd-trunk/debian/dists/jessie/main/source/Sources 
404  Not Found

W: Failed to fetch 
http://ppa.launchpad.net/gmpc-trunk/mpd-trunk/debian/dists/jessie/main/binary-i386/Packages 
404  Not Found

W: Failed to fetch 
http://ppa.launchpad.net/gmpc-trunk/gmpc-stable/ubuntu/dists/jessie/main/binary-i386/Packages 
404  Not Found

W: Failed to fetch 
http://ppa.launchpad.net/rvm/smplayer/ubuntu/dists/jessie/main/binary-i386/Packages 
404  Not Found

Thanks a lot.