Mr. Marcacci grew up in the Midwest and began studying piano and voice at the age of five and began playing for the Catholic church in Eighth Grade on both the piano and the Organ. As a freshman in a Catholic High School he led a teen folk choir at St. Monica's Catholic Church in Kalamazoo, Michigan, and began his organ studies with a professor at Kalamazoo College, Paula Romanaux. He competed in several Bach competitions and played for both the Methodist Church and Baptist Church to further his knowledge about worship and liturgy.

He pursued a dual Bachelors degree in Music/Organ Performance and Telecommunications from Indiana University. Dan studied Organ under Dr. Robert Rayfield, Dr. Larry Smith, and Dr. Marilyn Kaiser. During his college studies, he was the accompanist for the Singing Hoosiers, ambassadors for Indiana University and its alumni associations and worked with Erich Kunzel and the Cincinnati Pops on a Grammy nominated recording entitled "A Disney Spectacular." He also traveled with the group throughout North America, Greece, Yugoslavia, and Australia.

For almost 30 years, Dan has held positions in the Archdiocese of Atlanta as Director of Liturgy and Music at St. Patrick, Director of the Life Teen Band at Prince of Peace and has worked as Principal Organist at St. Jude and St. John Neumann. Dan accompanied the St. John Neumann choir on their trip to Italy in 1999 and was principal organist for several concerts throughout the country including St. Marks in Venice, St. Ignatius in Rome with a National Radio audience, and High Mass at St. Peter's Basilica at the Vatican.

Dan and his wife, Thea have three boys that have all participated in music ministries. Dan owns a video production company, Video Quest, that is credited with several Telly Awards, Addy Awards, and Regional Emmys. He also owns and manages an import-export business that sells textbooks and musical instrument cases worldwide through Amazon.

Dan Currently directs the Mary Our Queen Traditional Choir and Leads the Sunday Night Band on Piano and vocals.