1.   The rest seemed to be engrossed in animated conversation, filling the sweet night air beneath a huge pale moon with the sounds of laughter and happy chatter.

2.   They would hear the happy chatter of the people in the harvest field, because although it was hard work, it was happy work.

3.   He knows gun makes and their firepowers like some people know Fords from Chevys and can switch from pubescent happy chatter to cutting vulgarity without missing a beat.

4.   The airwaves were filled with happy chatter.