He has played throughout the United States, made two concert tours in Japan, and performed frequently in Europe, including Ukraine and Russia, both as solo organist and with orchestra.

[2] The son of a Methodist minister in New Jersey, Turk began piano studies at age five and then organ when he was ten years old.

[2][4] Since he took this post in 1974,[5] the famed Robert Hope-Jones organ has been enriched with a remarkably diverse tonal palette and expanded to its current size of 207 ranks and 12,200 total pipes, played from a five-manual console.

[6] Besides playing for weekly Sunday services, Turk offers solo recitals (along with guest concert organists) in the Auditorium on most Wednesdays and Saturdays in July and August.

[3] In addition to being featured on such radio programs as Pipedreams and Sacred Classics, as well as Philadelphia-area broadcasts, Turk has released multiple recordings, including: