Home of Guitar Suite
Guitar Suite: A music system that allows a human guitar player to jam with their computer. The current build supports riff extraction and melodic classification. You can import guitar riffs from a Guitar Pro 4 tab file, build a database of melodies to recognize, and then have them recognized in real time as you perform them on your guitar.
Read more about the project: http://tandonp.wordpress.com/2010/07/22/guitar-melodic-classification-and-riff-detection-system/