Link to referential recordings of whale songs for performers of 'Among Whales':

Whale Song Reference Recordings - Click here

https://www.dropbox.com/sh/epyzv28s8e1frev/AAAUD4xUXaz4EHbv_z_exiVka?dl=0
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Recordings sourced from:

http://voicesinthesea.ucsd.edu/ and
https://www.youtube.com/watch?v=xo2bVbDtiX8.