How do i make it so if you touch a brick i plays a sound?

Please resort to the wiki pages and make an attempt first.

Here are 2 useful wiki pages:

Sounds

Events (like touching a brick)

Make a brick and then put this script in it.

local sound = Instance.new("Sound", Workspace)
sound.Pitch = 1 -- Speed of the song (Preffer not to change it)
sound.SoundId = "rbxassetid://144405051" -- Put the last numerbs of the link of the song(ROBLOX) that you want
sound.Volume = .5 -- Volume(How much power) of the song
sound.Looped = false -- If you want the song to repeat after the song is done

script.Parent.Touched:connect(function()
        sound:play()
    end)