Canadian price is listed in the indicia.
On sale date from promo for Music Master feature in Famous Funnies (1934 series, Eastern Color) #92 (March 1942).
Art credits per Blake Bell and added by Craig Delich 2012-3-15.
Continued next issue. Writer and art credits per Blake Bell and added by Craig Delich 2012-3-15. The splash page states "Created by Stephen A. Douglas", who was an editor at Eastern Color. However, since Everett created at least the visuals for this first appearance, he should be considered at least a co-creator. The Who's Who verifies that Douglas wrote this strip for its entire run, therefore his name is added to the writer credits by Craig Delich 2013-2-13.