Answers, and a new player inside.

Welcome sunshine to the puzzle world!

1. Cream or string –> Cheese
2. Jazz and gala –> Apples
3. Bread or pocket –> Knife
4. Fire and garbage –> Trucks

Final reference: Mac(k)
Mac ‘n’ Cheese, Macintosh computers, Mack the Knife, and Mack Trucks

5 — uberminz
4 — Randy, sunshine