American drummer most widely known for being an associate from the seminal choice rock-band Dinosaur Jr. He used the music group from 1984 to 1993 before rejoining in 2005. He performed in the hardcore punk music group All Light Jury before signing up for Dinosaur Jr. During his 12-calendar year hiatus from Dinosaur Jr., he used the Boston-based music group The Lemonheads. His name is normally Emmett Jefferson Murphy III. His dad is normally African Studies teacher E. Jefferson Murphy. He and frontman J. Mascis are two from the three founding associates of Dinosaur Jr.