From Xin Qiji's (
辛弃疾, Southern Song)
《西江月·夜行黄沙道中》:
稻花香里说丰年,
听取蛙声一片 - 'Through the rice-flower fragrance, they speak of the good harvest; one listens, and hears a whole stretch of frog-song.' A canonical pastoral couplet, famous for associating frog-croaks with the promise of a full granary.