A participant looks at his guitar after it was autographed by Nils Lofgren (L), who plays guitar in Bruce Springsteen's E Street Band and has worked with Ringo Starr and Neil Young, at the Rock ?n? Roll Fantasy Camp in Los Angeles, California, November 11, 2011. A group of rock teachers, including Kiss singer Paul Stanley, Black Sabbath drummer Vinny Appice and producer-songwriter Mark Hudson, school students on the finer points of hard rock, playing and performing at the Camp's North Hollywood complex. Picture taken November 11, 2011. REUTERS/David McNew (UNITED STATES - Tags: ENTERTAINMENT SOCIETY)