Memanishvili is an author of original orchestral works, and a conductor of Tbilisi Music and Drama Theatre's performances of well-known compositions. His musical Keto and Kote, staged in Tbilisi and Batumi in 2010, was a combination of Victor Dolidze’s opera and A. Kereselidze’s cinema version of the piece. After Keto and Kote he orchestrated Vera District Melodies – original music by G. Tsabadze which was used in the film under the same name in 2012 – which was staged in Tbilisi and Batumi by producer and choreographer Redha Benteifour.
