its not a weird tuning but I was in a doom band who tuned to drop c and I hated the floppiness on my jazz so bought a 5er and tuned the b up to c. was like a revelation to my untrained ears :-)
five magics by megadeth. I have only ever learned the intro because I like it but as soon as I try and play along with the recording it goes pear shaped. play without perfect everytime