Jon Brion (born December 11, 1963) is an American singer, songwriter, multi-instrumentalist, record producer, and composer. He performed with the Excerpts, the Bats, 'Til Tuesday and the Grays before becoming an established producer and film score composer.

Brion has produced music for artists and bands including Of Montreal, Aimee Mann, Love Jones, Eels, Fiona Apple, Elliott Smith, Robyn Hitchcock, Rhett Miller, The Crystal Method, Kanye West, Sky Ferreira and Mac Miller. According to Stereogum, Brion's work on Mann's first solo albums "lay the groundwork for a sound that became synonymous with a strain of notable alternative acts at the turn of the century".Brion's film scores include Hard Eight (1996), Magnolia (1999), Punch-Drunk Love (2002), Eternal Sunshine of the Spotless Mind and I Heart Huckabees (both 2004), Synecdoche, New York (2008), ParaNorman (2012), Lady Bird (2017), and Christopher Robin (2018). He released his debut solo album, Meaningless, in 2001.

Source: Wikipedia (https://en.wikipedia.org/wiki/Jon_Brion)