500 Internal Servor Error – Unable to Access wp-admin

Hello,

I admin a wordpress website: http://uncleluciusmusic.com/

It’s throwing a 500 internal server error on all pages, including the uncleluciusmusic.com/wp-admin page, so I can’t even log into the back end to try to delete any .htcaccess files, deactivate plug-ins, etc.

I need helping getting in, and then I’ll probably need help figuring out what to do once I’m in. Any suggestions?