Limited vinyl LP pressing of this vintage live performance by the brilliant UFO rocking their hits before an enthusiastic Chicago audience in 1980! Includes their biggest hits "Only You Can Rock Me" and "Lights Out!" UFO are an English rock band that was formed in 1969. They became a transitional group between early hard rock and heavy metal and the New Wave Of British Heavy Metal. UFO were ranked No. 84 on VH1's "100 Greatest Artists of Hard Rock".