Rịba ama amaokwu a dị n'okpuru ma zaa ajụjụ ahụ mgbe e mesịrị n'otu asụsụ ahụ dị ka amaokwu ahụ:  Passage: Songs of the Humpback Whale (SWR 118) bụ nke e wepụtara na 1970 site na CRM Records site na ndekọ nke Roger Payne, Frank Watlington, na ndị ọzọ. E mechara weghachite LP site na Capitol Records, nke e bipụtara n'ụdị mgbanwe na magazin National Geographic Society, Mpịakọta 155, Nọmba 1, na Jenụwarị 1979, nke Living Music / Windham Hill / BMG Records wepụtara na CD na 1992, na BGO-Beat Goes On na 2001.  Ajụjụ: Gịnị bụ aha ụlọ ọrụ ndekọ nke wepụtara SWR 118?
Ihe ndekọ CRM