Mixtape

Audio / Video files of songs mentioned in this story

 . . . some whales deliver a continuous soliloquy, 

without repeating themselves, for a full eight minutes. 

They then go back to the beginning of the song and repeat it all over again, many times over, each complete cycle lasting about eight minutes.

Mole-crickets amplify their song to stentorian loudness by singing down in a burrow which they carefully dig in the shape of a double exponential horn, 

or megaphone.