Experimental Audio Research

Peter Kember (born 19 November 1965), also known by his stage name Sonic Boom, is an English singer-songwriter, composer and record producer. He was a founding member, vocalist, guitarist and keyboardist of neo-psychedelic band Spacemen 3, lasting from 1982 until the band's dissolution in 1991. He is now based in Sintra, Portugal.

Kember has also led the musical projects Spectrum and E.A.R. (Experimental Audio Research), sometimes as the only member. He has played and collaborated with a number of artists, including Stereolab, Panda Bear, Yo La Tengo, and Sinner DC. He contributed production work on MGMT's second album Congratulations, Panda Bear's albums Tomboy and Panda Bear Meets the Grim Reaper, and Beach House's album 7.