Relative Clauses
The sounds which/that you created are incredible!
(both is an option)
That/Which
I hear someone/anyone playing music loudly.
Someone
That was the day that/when I became a chef.
(Both is an option)
When/That
There isn't someone/anyone on the street right now.
Anyone
The shop where/that he works sells exotic food.
Where
I've got something/anything important to tell you.
Something
Are you the person who/that wrote this song?
(Both is an option)
Who/That (both are correct)
I didn't go somewhere/anywhere today.
Anywhere
Everyone looked at the boy who/which was yelling.
Who
Did you find something/anything interesting at the shop?
Anything