The music featured will be that of Orazio Bassani, a gambist / composer / improviser of.    From Wordnik.com.  [Progressive Bloggers] Reference

One of his guiding lights is a treatise published in 1553 by Diego Ortiz, a composer-performer from Toledo, which shows the novice gambist how to embroider a given melody or chord progression with ornaments, variations, and outright inventions.    From Wordnik.com.  [BrothersJudd Blog] Reference