sentences:  In 2015 he worked on the Meryl Streep movie "Ricki and the Flash" as Streep's guitar mentor, as well as doing work on composing songs, recording and other sound duties.While being credited with extensive work as a sound engineer and producer, notable is his custom designed virtual guitar amplifier featured as part of Waves GTR3 from Waves Audio.Citron has been training in the martial arts for over 35 years.