Audio Music CD Compact Disc Of PLEXUS Jazz By Richard Sturman & Friends, Master's Image Dubuque Iowa. Produced By Richard Sturman And Scorpio Productions 1999. Recorded at 3 Sites. Coastal Carolina Studios-Tone Zone Studio in Chicago -And Hunter Fuerste's Music Room by Master's Image Studio Dubuque Iowa Jazz Album. Ricard Sturman, Frieda Lee, Mark Urness Isla Eckinger and Ron Free.