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.
Special Herbs, Vols. 4, 5 &amp; 6 Special Herbs, Vols. 4, 5 & 6 is an album of instrumental works released by MF Doom under the Metal Fingers moniker. As with the other installments of the "Special Herbs" series, each track is named for a herb (or similar flora) or herbal preparation, with the exception of "Coffin Nails" which could refer either to a slang term for tobacco cigarettes or literally to nails from coffins, which have been traditionally used in conjunction with certain herbs in the performance of ceremonial magic rituals.