Ramon Ricker Overtone Exercises — William Hollifield
Overtone Alto Saxophone gold lacquer OSA-101
How to Play Overtones on Saxophone - Sax School Online
Saxophone Overtones - YouTube
Keyless Saxophone Overtone Demo - YouTube
Saxophone Overtone Exercises
Saxophone Overtones or Harmonics
West Valley Music - "Did they forget to put the keys on that one?" Nope! This instrument was made as a practice tool for players to get more comfortable with the saxophones
Altissimo Fingerings for Tenor and Alto Saxophone – Better Sax
Amazon.com - Saxophone Straight Alto Saxophone Instrument Duct is Suitable for Adult Playing -