Look for Whitacre’s own "Director’s Notes" often included in the physical score. Eric Whitacre Singers
For the rest: spend the $4.50. The clarity of the notation, the support of a living composer, and the peace of mind are worth infinitely more than a grainy, illegal scan from 2008. cloudburst eric whitacre pdf
Cloudburst is published by (a division of GIA Publications) and is under active copyright protection (© 2004). Unlike public domain works (e.g., Mozart or Bach), uploading or downloading a free PDF of Whitacre’s work without payment is illegal copyright infringement. the support of a living composer