https://www.youtube.com/watch?v=SgESUPnCQ5o

And God Created Great Whales, Op. 229, No. 1, is a symphonic poem for orchestra and recorded whale sounds by the American composer Alan Hovhaness.

From LONG SOUNDS AND TRANSPERCEPTION ….
Pages of instructions that leave the details for the realization open to the performers … the instructions read in part :

IN LARGE SINGLE PLACES SUCH AS PRAIRIES , GLACIERS OR OCEAN BASINS , USE SINGLE SYSTEMS OF GREAT POWER OR SEVERAL WEAKER SYSTEMS IN A SERIES . CONNECT SMALL , SEPARATED SPACES SUCH AS ROCK FORMATIONS WITHIN FAULTS, , DETACHED RAILROAD CARS ON SIDINGS, , THE ROOMS, THE FOYERS, AND CORRIDERS OF HOUSES, SCHOOLS OR MUNICIPAL BUILDINGS WITH RELAYS OF SYSTEMS, ADDING SHORTER DISTANCES TO MAKW LONGER ONES’