PBS
Pbs: Math With Jake: Transposition Using Ratios
Composer and ukulele artist Jake Shimabukuro describes the concept of transposing notes in music and how ratios are applied in this video from Center for Asian American Media. Shimabukuro explains how to transpose music written in the...
Other
The Official George Crumb Home Page
The official site, with sections devoted to his life, compositions, recordings, writings, and news. The news section has internet links, and the site has a search function!