As Project Help

Hi, i posted on here a while back with my project design, however i have now decided to change my project.

My idea is simple really. Basically when it gets dark i have an LDR activating. I need this to activate a speaker for a certain amount of time. Once i push a switch i want an Led to activate and the speaker to stay off. I have made the LDR circuit and made a speaker but i cannot get the speaker to turn off once i press a button. Any help would be greatly appreciated as to how i can acheive my goal. Modifications are welcome.

Thank you

First thing you can do is post the schematic of what you have now.