High Quality Content by WIKIPEDIA articles! Obsession is the seventh album by the British rock band UFO, released in 1978. This was the final studio album to feature Michael Schenker on lead guitar until he returned to the band in 1993. A single from the album, "Only You Can Rock Me" / "Cherry", was also released in 1978. So too was the band`s first 3-track EP "Only You Can Rock Me", "Cherry" / "Rock Bottom", reaching No. 50 in the UK.