useless trivia: What Word Means: A First Name - A Kind Of Sailboat?

Questions

Song Titles: Musical with songs:Anything You Can Do, They Say It's Wonderful?

Song Titles: Operatta with songs: Barney O'Flynn, I Can't Do the Sum, March of the Toys?

Song Titles: Wakko's America, Yakko's World, & Yakko's...?

Song written by Dylan, covered by Clapton & the Greatful Dead?

Song written by Young on his 19th birthday?