• U2’s Bono and the Edge performed a surprise set in London on Friday to benefit Mencap, a learning-disability charity. With only 200 people in the audience, the duo played a twenty-minute acoustic set that included the hits “Stay,” “Desire,” “Angel of Harlem” and “Wave of Sorrow,” which features on the band’s Joshua Tree reissue. Snow Patrol, Keane and other “surprise guests” will perform for the charity’s Little Noise sessions this week.

• A proposed 2008 Jackson Five reunion tour “will involve” Michael Jackson, according to older brother Jermaine, who told BBC6 Music, “He has to be, he is a Jackson. He was at the meetings. Michael will be involved.” The Jackson bros. are currently recording new material as they finalize tour plans.

• Rivers Cuomo has posted “Blast Off!,” from his upcoming Alone: The Home Recordings of Rivers Cuomo, on his personal MySpace page. Cuomo previously told Rolling Stone that the song was a track off Weezer’s never-released space opera Songs From the Black Hole.

• Kevin DuBrow, lead singer of Quiet Riot, was found dead in his Las Vegas home on Sunday. He was fifty-two years old, and the cause of death is currently unknown.

• Following the revelation that Jam Master Jay’s killer had a neck tattoo, it is now believed that the Run-DMC DJ may have actually known his murderer. According to JMJ’s friend Tony Rincon, Jay was armed the night of his murder, but likely didn’t immediately defend himself because he knew the shooter.

[Photo: Yui Mok/AP Photos]