Alexander Street Press has created several ways to access their streaming music products (we currently have Classical Music Library) via your mobile device. We've created a short explanation of how to access the streaming content. A full explanation of their new service is described in their press release.
If you've never heard of QR Codes before, see this explanation at Educause:
"...are two-dimensional bar codes that can contain any alphanumeric text and often feature URLs that direct users to sites where they can learn about an object or place (a practice known as “mobile tagging”)."