In the latest years, selling ring tones to users of cellular phones has become an interesting business.
These ring tones are usually popular tunes that people enjoy hearing, often associating a different tune according to the number that is calling their cellular phones.
There are many companies selling ring tones via Web sites. They list the available ring tone tunes in their Web site and make them available for download to their cellular phone device after a normal e-commerce purchase.
This class is capable of processing ring tones files in the RTTL format and present the information about a ring tone tune in the form of a nice musical score that can be use to enhance the presentation of sites that list ring tones.