Mahan Esfahani Iranian-American harpsichordist Mahan Esfahani, now one of Europe’s leading exponents of the instrument appears with Peter Watchorn on a series of recordings of the complete keyboard works of the English virtuoso, Dr. John Bull. Performed in: Dr. John Bull: Complete Works for Keyboard, Vol.I Dr. John Bull: Complete Works for Keyboard, Vol.I – Digital Download Performed compositions by: Dr. John Bull Dr. John Bull