1. ad ASTRA, russian musical project of Alexander Jd Karelin, guitarist of now-disbanded metalcore band Fourth Dimension. ad ASTRA released one album on December 31th, 2008 named "RVLTN BGNS" ("Revolution Begins"). On seven of nine songs invited vocalists of famous russian bands (such as Stigmata, Korea, Top-Display!, Fourth Dimension, Jane Air and Плакса) sing. On one track ("Dreams" - "Мечты") A.Karelin sings completely himself.
Official site: http://www.RVLTNBGNS.com 2, Ad Astra is a spanish neoclassical power metal band.

Read more about Ad Astra on Last.fm.