In 2008, Zapp served on the Opening and Closing Ceremony Sub-Committee of the Confederation of African Nation football tournament (afcon) that was hosted by Ghana. He served as the music director and guitarist for the burger concert highlife tour that was organized by the Goethe-Institut in 2008 as part of Ghana's 51st independence day celebration. He has served as a resident judge and guest judge on various music shows, some of which include; Stars of the future, Mentor, Nestcafe African Revelation and the MTN Hitmaker show. He is a member of the Ghana Music Awards planning committee and a facilitator on WAPI; an Art showcase and interruptive platform organized by the British Council.