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.
Song of Ascents Song of Ascents is a title given to fifteen of the Psalms, 120–134 (119–133 in the Septuagint and the Vulgate), each starting with the ascription Shir Hama'aloth (Hebrew: שִׁיר המַעֲלוֹת‎ ‎ , meaning "Song of the Ascents"). They are also variously called Gradual Psalms, Songs of Degrees, Songs of Steps or Pilgrim Songs.