Alfonso Cuarn directed the movie for which Jason O'Bryan was nominated for a grammy for best soundtrack.
 He was a member of the Dub Pistols (19972010) and worked on the Grammy Award nominated soundtrack of the film "Y Tu Mam Tambin". 
Y Tu Mam Tambin (English: "And Your Mother Too" ) is a 2001 Mexican drama film directed by Alfonso Cuarn and co-written by Cuarn and his brother Carlos. 
