Exercise #68: "Boom", "Baby", "Buddy", "Trip-a-let"

Lines 1 & 2
Lines 3 & 4

Exercise #69: "Jig-a Jig-a Dee"

Lines 1 & 2
Lines 3 & 4

Exercise #70: "Dee Jig-a Jig-a"

Exercise #71: "Jig-a Jig-a Jig-a"

Exercise #72: Combo Exercise