i'm not much of singer (just listen to the horrid voice on the recordings I have) but what helps me when I try to cover a song is to sing it first in a low volume, and try to nail the pitch in the low volume, and only then will I sing it louder.
Quote by icaneatcatfood
On second thought, **** tuning forks. You best be carrying around a grand piano that was tuned by an Italian