Audio and video recordings from the course on Patthana (kusala tika, pañhāvāro) given by Venerable Sayādaw Dr. Nandamālābhivaṃsa at Institute of Dhamma Education in Myanmar, Pyin Oo Lwin during February 2015:
Patisambhidamagga + Patthana Audio
Audio recordings of Dhamma talks on Patthana given by Venerable Sayādaw Dr. Nandamālābhivaṃsa, at Penang Santarama, 2007 July can be downloaded here:
http://patthana.blogspot.com/2008/05/dhamma-talks-7th-book-of-abhidhamma.html
Patthana chanting by Venerable Sayādaw Dr. Nandamālābhivaṃsa:
http://patthana.blogspot.com/2008/05/patthana-pali-chanting.html