In 2014, Liza composed Urumuri Rutazima, the anthem song for the 20th commemoration of the Rwandan genocide. It was performed by different groups of children in 30 districts of Rwanda and culminated in a 1,000 cast show in the national stadium during the opening ceremony.
Mwaka 2014, Liza alitunga Urumuru Rutazima, nyimbo maalum ya kuadhimisha miaka 20 ya mauaji ya kimbali ya Rwanda. Iliimbwa na vikundi tofauti vya watoto katika wilaya 30 za Rwanda na kufikia kiwango katika onesho lililojumuisha waigizaji 1,000 katika uwanja wa taifa siku ya ufunguzi wa sherehe hizo.