I (Shaila Catherine) participated in an interview collage on the topic of jhana meditation created for a radio program by Jari Chavalier. Speakers include three other meditation teachers: Leigh Brasington, Steve Snyder, Tina Rassmussen, and a research scientist Jud Brewer.
You can listen at: https://jari.podbean.com/2013/03/29/concentrating-the-hell-out-of-mind-jhana/