About Francis Arinze:
Francis Arinze is a Nigerian Cardinal of the Roman Catholic Church. He is Prefect Emeritus of the Congregation for Divine Worship and the Discipline of the Sacraments, having served as prefect from 2002 to 2008. He is the current Cardinal Bishop of Velletri-Segni (succeeding Joseph Ratzinger, who became Pope Benedict XVI) since 2005. Arinze was one of the principal advisors to Pope John Paul II, and was considered papabile before the 2005 papal conclave, which elected Benedict XVI.
There is no dogma that the organ or harmonium can be used in church, but not the drum.
Francis Arinze