“The post-war years witnessed an explosion of hymn writing that can loosely be categorised into two groups. There were those writers who worked in a traditional style, seeking to add their 20th-century contribution to the corpus of hymns used down the years by churches of all traditions. And there were those who introduced a new style of "worship song" designed to appeal to today's congregations.
Kaan was impatient with this second group, referring somewhat disparagingly to their songs as "the nursery rhymes of the church". His place was firmly with the former group, standing alongside the likes of Fred Pratt Green, Alan Gaunt and Brian Wren. His hymns, which include both original work and translations from a variety of languages, address the modern challenges to faith, notably issues of peace and justice, and are known and used right across the spectrum of Christian churches.”