Marshall Goodman (born January 31, 1971) known professionally as Ras MG (also known as MG, Field Marshall, Field, or Fields) is an American drummer, songwriter and producer.

Sublime years: 1990-1991, 1994-1996
Goodman was the drummer of the Southern California-based music group Sublime from 1990-1992 and played on 14 of the 22 songs on the bands multi-platinum selling 40oz to Freedom including "Date Rape," "Smoke Two Joints," "54-46 That's My Number/Ball and Chain," and "Hope." Additionally, Goodman co-wrote the songs "Doin' Time" and "April 29, 1992 (Miami)" from Sublime's eponymous album.

Long Beach Dub Allstars years: 1996-2002
In 1996, after Sublime's Bradley Nowell died, a group was formed to perform Sublime songs at "Enough Already," a benefit show. This group went on to become the nationally touring act the Long Beach Dub Allstars in which Goodman was the co-drummer, DJ, percussionist, producer (Right Back), songwriter, and voting member. Goodman co-wrote the band's single "Sunny Hours"

2002-present
The Long Beach Dub Allstars broke-up in 2002 and Goodman toured as the drummer for Dreamworks artist Jessy Moss in 2003. The band appeared in the film Win a Date with Tad Hamilton! in 2004.

In 2008 Goodman remixed Good Charlotte’s song "Broken Hearts Parade" for their Greatest Remixes album with longtime collaborator and friend Michael Happoldt. Goodman and Happoldt also conducted the reunion of LBDA in 2012.

2012: Goodman programmed drums and scratched on Slightly Stoopid’s album Top of the World and performed scratches live with band on numerous occasions in 2012 and 2013, including the Jimmy Kimmel Live! Show and the KROQ Almost Acoustic Christmas at the Gibson Amphitheatre. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.