Pierucci was an Organ professor at the Rossini Music Conservatory of Pesaro. Today many of his past students teach music at various Italian Music Conservatories. He has conducted choirs and given organ recitals in Italy, Greece, Cyprus, and the Holy Land. Since 1988, he has been the organist at the Church of the Holy Sepulchre in Jerusalem. Until 1999, he was Chief Editor of the Italian magazine La Terra Santa ("Holy Land"), quarterly published by the Franciscan Custody of the Holy Land. Presently, he is a professor of sacred music at the Studium Theologicum Hierosolymitanum and President of the Magnificat Musical Institute.
Fra Armando Pierucci has composed music for organ, choir, recorder, accordion, brass, and piano, including:
Quaderno d’Organo: 14 composizioni per organo (Ediz. Armelin Musica Padova),
Missa de Angelis Pacis,
Missa Regina Pacis,
Missa Magnificabant Omnes,
Missa Regina Palestinae,
Sonata for Organ and Choir,
The Hymnal,
Zahr Er-Rahm (fifteen songs for voice and piano).
Armando Pierucci's first cantata, over poems by Regina Derieva, Via Crucis was described as "a major find" and "a remarkable work" by critics. In 2001, Fra Armando Pierucci created another cantata over Derieva's poems entitled De Profundis.
