In the last three years (since my surgery, I was in a comma for three weeks according to mum) I started listening to both christian and anti-christian metal music like the awsome canadians Stallion especially their album from 2014 (not dead and not alive that's what I felt back then in the hospital; and also got notice by the band Demon Hunter; they have some great songs no matter what are your beliefs about our universe's existence. And also there's this new melodic death metal song by Insomnium called shadowlife; their last album was two three years ago.
There's nothing like guitar, bass and drums you can add keyboards but sometimes a trio is enough.
i am pretty sure you are acquianted with Michael Harris, what a guitarist: