This weekend’s Rock and Roll Hall of Fame 25th anniversary concerts weren’t just a veritable who’s who of rock, they were also a who’s playing with who collaboration-fest. Friday night kicked off the festivities with performances by Crosby, Stills & Nash, Bonnie Raitt, and Jackson Browne; Paul Simon played with Dion DiMucci and Little Anthony & the Imperials. Stevie Wonder and John Legend turned in emotional tributes to Marvin Gaye and Michael Jackson before Bruce Springsteen closed the evening with a nearly two-hour set. Saturday night was just as impressive, with performances by Aretha Franklin, Jeff Beck, Lou Reed, Metallica, and Ray Davies. U2 played last, bringing Mick Jagger on stage to sing “Gimme Shelter” and “Stuck in a Moment You Can’t Get Out Of.” [RollingStone.com]

This Is It was a box office thriller over Halloween weekend, earning $101 million dollars worldwide in its first weekend of release. This secures the film a longer theatrical run than its planned two-week engagement. The movie made $32.5 million in the United States and $68.5 million internationally. [Billboard.com]

R.I.P. Joe Maneri, the saxophonist and clarinetist who helped pioneer microtonal music. Maneri reinvented the octave as a 72-note unit with pitch intervals rarely heard in European music traditions, taught theory, composition, and performance technique at the New England Conservatory, and recorded for avant-garde jazz labels such as ECM and Tzadik in the ’90s and 2000s. Maneri was 82. [Guardian.co.uk]

This weekend’s Voodoo Festival saw Eminem return to the stage for his first full-length concert in four years. Eminem played the festival on Saturday night, dressed in black and backed by a rock band dressed as skeletons. [Gigwise.com]

Lil Wayne and New Orleans rapper Birdman are being sued by Thomas Marasciullo, who claims the duo put his spoken-word recordings on their 2006 album Like Father, Like Son and Birdman’s 5 * Stunna. Marasciullo says he first discovered the recordings were on these records when his daughter attempted to buy a ringtone of one of the songs from Like Father, Like Son. [NME.com]

Mediaite puts Christopher Walken’s spoken word version of Lady Gaga’s “Poker Face” into an historical pop culture context. No, really. [Mediaite.com]

Jim Morrison once said, “I believe in a long, prolonged, derangement of the senses in order to obtain the unknown.” Check out more of Clash Music’s 100 most outrageous quotes in music. [Clashmusic.com]