This doesn't work with other music apps (at least not yet). (laptopmag.com)
There are other music apps available from Amazon's appstore as well, including Slacker Radio, Pandora Internet Radio, and TuneIn Radio for local radio stations. (the-ebook-reader.com)
If you are wondering what is so special about Samsung Music, you might be disappointed as it is similar to most other music apps on the Play Store, excepting the fact that it is made primarily for Samsung devices and optimized accordingly. (youmobile.org)