What is the name of the pentalogy which features Dedication 3 and Dedication 4?
Dedication 4 Dedication 4 is a mixtape by Lil Wayne. The mixtape was originally supposed to be released on August 15, 2012, but got pushed several times  and was released on September 3, 2012. It is the fourth installment of Lil Wayne's "Dedication" series, following its predecessors "The Dedication", "Dedication 2" and "Dedication 3". It's also the fourth installment of Lil Wayne's "Gangsta Grillz" pentalogy.
Trilogy of Natural Ease The Trilogy of Finding Comfort and Ease ("ngal gso skor gsum", Sanskrit "Mahāsaṃdhi viśrānta trayāya nāma", literally "The Trilogy called Reposing (viśrānta) in the Great Perfection") is a trilogy of Dzogchen writings by Longchen Rabjam: