available on Amazon]Vangoa VBU-20 Banjolele 4 String 23 Inch
AC-1: Acoustic Composite Banjo | Gold Tone Folk Instruments
Amazon.com: Banjo 5-String 26 Inch Tenor Banjo, Lotkey Mini Closed Sapele Back Banjo for Professional Beginners with Extra Strings Strap Pick-up Picks Tuner Bag : Musical Instruments
The Difference Between A 5 String Banjo And A 4 String Banjo