Pluralone

Josh Adam Klinghoffer (born October 3, 1979) is an American musician best known for being the guitarist for the rock band Red Hot Chili Peppers from 2009 to 2019, with whom he recorded two studio albums, I'm with You (2011) and The Getaway (2016), and the B-sides compilation I'm Beside You (2013). Klinghoffer took the place of his friend and frequent collaborator John Frusciante in 2009, after a period as the band's touring rhythm guitarist. At age 32, Klinghoffer was inducted into the Rock and Roll Hall of Fame with Red Hot Chili Peppers in 2012, making him the youngest inductee at the time.

Following his departure from Red Hot Chili Peppers in 2019, Klinghoffer became a touring and session member of both Pearl Jam (since 2021) and Jane's Addiction (2023). As a multi-instrumentalist, Klinghoffer fronts the alternative rock band Dot Hacker. He is also a former member of the bands Ataxia, Warpaint and the Bicycle Thief, and has both recorded and toured as a session musician with notable artists including PJ Harvey, Beck, Iggy Pop, Elton John, Butthole Surfers, Vincent Gallo, Sparks, Golden Shoulders, Cate Le Bon, the Armed and Redd Kross.

Additionally, Klinghoffer releases solo materials under the pseudonym of Pluralone, originally a working title for the group Dot Hacker. He has released four solo albums, To Be One with You (2019), I Don't Feel Well (2020), This Is the Show (2022) and A Drop in the Ocean (2026) plus multiple non-album singles and B-sides.