What Key is a Ukulele In??!? HUH? | CoolUkulele.com
Amazon.com: 4-Chord Songs for Baritone Ukulele (G-C-D-Em): Melody, Chords and Lyrics for D-G-B-E Tuning: 0888680603205: Hal Leonard Publishing Corporation: Books
Baritone Ukulele Basics: Expand Your Sound | Ukulele Magazine