Here are just some of the performers and presenters who are scheduled to participate in this year’s GearFest. Alan Parsons His band, The Alan Parsons Project, topped the charts with such hits as “Time,” “Eye in the Sky,” “I Wouldn’t Want to Be Like You,” and “Don’t Answer Me.”As engineer and producer, Parsons worked on The Beatles’ Abbey Road and Let It Be, Pink Floyd’s Dark Side of the Moon, and Al Stewart’s Year of the Cat.Todd RundgrenRundgren fronts the progressive rock band Utopia, which has toured sporadically since breaking up in 1986.As a solo artist, Rundgren had hits with “We Gotta Get You a Woman,” “Hello, It’s Me,” “I Saw the Light,” and “Can We Still Be Friends?”Rundgren has produced classic albums by Badfinger, New York Dolls, Grand Funk Railroad, Hall & Oates, Meat Loaf, The Tubes, The Psychedelic Furs, and XTC.Nile RodgersGuitarist Rodgers co-founded one of the more respected groups of the disco era, Chic. Chic had hits with “Dance, Dance, Dance (Yowsah, Yowsah, Yowsah),” ‘I Want Your Love,” and “Good Times.”As a producer and songwriter, Rodgers has helped create hits for Sister Sledge, Diana Ross, Madonna, INXS, David Bowie, Duran Duran, Daft Punk and Lady Gaga.Billy GibbonsGibbons is the lead vocalist for ZZ Top. He also had a recurring role on the Fox series Bones.BTBT, aka Brian Wayne Transeau, is a DJ, composer, and producer. He has worked with Peter Gabriel, Tori Amos, David Bowie, Depeche Mode, Sting, The Roots, Madonna, and Britney Spears. He has also composed music for films (The Fast and the Furious) and TV series (Smallville).Lita FordFord is a heavy metal guitarist and vocalist. In the 1970s, she was a member of The Runaways, which also featured Joan Jett. She had solo hits with “Kiss Me Deadly” and “Close My Eyes Forever.” The latter was a duet with Ozzy Osborne.Linda PerryPerry was the lead singer of 4 Non Blondes. She wrote and produced hits for Christina Aguilera, Pink, and Gwen Stefani. Fab DupontDupont is a French engineer and producer. He has created music for Shakira, Jennifer Lopez, David Crosby, and Wynton Marsalis.Salim AkramAkram is the guitarist for the Boston funk band Bad Rabbits. He has collaborated with Billie Eilish.Ricky SkaggsSkaggs is a multi-instrumentalist and composer who is known primarily as a bluegrass performer, although he spent the early part of his solo career as a country artist. He scored 12 No. 1 hits on Billboard’s country chart. Skaggs’ bluegrass band, Kentucky Thunder, has won seven Grammy Awards. The Immediate FamilyThe Immediate Family is a supergroup comprised of some of rock music’s most storied sidemen, producers and songwriters: Danny Kortchmar, Leland Sklar, Russ Kunkel, and Waddy Wachtel.