Iona is especially strong in extemporaneous speaking, congressional debate, and original oratory. It was an uncharacteristically spontaneous revision for a speaker who did not trust extemporaneous speech. These prayers can be formal written prayers or informal extemporaneous prayers. His sermons were always extemporaneous, anecdotal, and participatory. Speeches given by the persons are extemporaneous or Ad libitum. Some pray according to standardized rituals and liturgies, while others prefer extemporaneous prayers. The Billy Tate Forum is also a noted extemporaneous speech tournament. He was also known for his extemporaneous preaching. Extemporaneous speaking provides 30 minutes of preparation time, followed by a seven-minute speech. There are also set forms for intercessory prayer, though this is now more often extemporaneous. He was known for his skill in extemporaneous speaking. In collegiate competition, a myriad of organizations provide national competition in Extemporaneous Speaking. The presbyterians for the most part preferred a fixed liturgy while congregationalists favoured extemporaneous prayer. This was her first experience with extemporaneous dialogue other than reading cue cards between records. He was a great exponent of extemporaneous singing.