Optic neuritis is an inflammation of the optic nerve, the bundle of nerve fibers that transmits visual information from your eye to your brain.
Release: Erica Kane single. Producer: Speaker Knockerz. This past thursday, South Carolina rapper/producer/songwriter Derek Speaker Knockerz McAllister, was found dead of a heart attack in his garage at 19 years old. It's probably best not to speculate on why a 19 year old would die of a heart attack.
Speaker Knockerz. Speaker Knockerz (Real name Derek McAllister) was a young Hip Hop artist from South Carolina whom became famous on youtube as a result of his âRico Storyâ trilogy. His rap style was often described as being unique, and he was regarded as a great story teller as is evident from his âRico Storyâ trilogy.