Horst Buchholz has been an active as a conductor, organist, and lecturer in the United States, Japan, Korea, Mexico, and throughout Europe . He has performed on some of the most famous organs in the world. He was a guest conductor with the Boulder Philharmonic, the Colorado Symphony, the Sinfonia of Colorado, Central City Opera, the Akron Symphony, and other orchestras. He performed in some of the world's most prestigious concert halls, as well as for e United Nations in Vienna. He appeared on German National Television, the Korean TV, National Public Radio, the American AFN, and the British BBC. In the summer of 2000 Dr. Buchholz had his conducting debut in Salzburg during the International Summer Festival and has returned to Salzburg annually as conductor and organist. Future engagements include organ solo recitals at the Cathedrals of Berlin and Passa, Germany, as well as at the Winspear Center in Edmonton, Canada.